3261001525 has 24 divisors (see below), whose sum is σ = 4270351680. Its totient is φ = 2465274240.

The previous prime is 3261001481. The next prime is 3261001561. The reversal of 3261001525 is 5251001623.

It is not a de Polignac number, because 3261001525 - 2¹⁵ = 3260968757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3261001525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13561 + ... + 81889.

It is an arithmetic number, because the mean of its divisors is an integer number (177931320).

Almost surely, 2^3261001525 is an apocalyptic number.

It is an amenable number.

3261001525 is a deficient number, since it is larger than the sum of its proper divisors (1009350155).

3261001525 is a wasteful number, since it uses less digits than its factorization.

3261001525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68445 (or 68440 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 3261001525 is about 57105.1794936326. The cubic root of 3261001525 is about 1482.9175351284.

The spelling of 3261001525 in words is "three billion, two hundred sixty-one million, one thousand, five hundred twenty-five".