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3525897961 = 4381997627
BaseRepresentation
bin1101001000101000…
…1110111011101001
3100002201121011201101
43102022032323221
524210112213321
61341512121401
7153242431615
oct32212167351
910081534641
103525897961
11154a306363
12824996261
13442636471
142563c0345
15159825791
hexd228eee9

3525897961 has 4 divisors (see below), whose sum is σ = 3607895632. Its totient is φ = 3443900292.

The previous prime is 3525897913. The next prime is 3525897979. The reversal of 3525897961 is 1697985253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3525897961 - 211 = 3525895913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3525891961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40998771 + ... + 40998856.

It is an arithmetic number, because the mean of its divisors is an integer number (901973908).

Almost surely, 23525897961 is an apocalyptic number.

It is an amenable number.

3525897961 is a deficient number, since it is larger than the sum of its proper divisors (81997671).

3525897961 is an equidigital number, since it uses as much as digits as its factorization.

3525897961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81997670.

The product of its digits is 4082400, while the sum is 55.

The square root of 3525897961 is about 59379.2721494631. The cubic root of 3525897961 is about 1522.0301187573.

The spelling of 3525897961 in words is "three billion, five hundred twenty-five million, eight hundred ninety-seven thousand, nine hundred sixty-one".

Divisors: 1 43 81997627 3525897961