925261561 has 12 divisors (see below), whose sum is σ = 1082347920. Its totient is φ = 788643240.

The previous prime is 925261543. The next prime is 925261577. The reversal of 925261561 is 165162529.

It is not a de Polignac number, because 925261561 - 2¹³ = 925253369 is a prime.

It is a super-2 number, since 2×925261561² = 1712217912528313442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 925261561.

It is not an unprimeable number, because it can be changed into a prime (925261511) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 43975 + ... + 61516.

It is an arithmetic number, because the mean of its divisors is an integer number (90195660).

Almost surely, 2^925261561 is an apocalyptic number.

It is an amenable number.

925261561 is a deficient number, since it is larger than the sum of its proper divisors (157086359).

925261561 is a wasteful number, since it uses less digits than its factorization.

925261561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105684 (or 105677 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 925261561 is about 30418.1123839071. The cubic root of 925261561 is about 974.4394098485.

The spelling of 925261561 in words is "nine hundred twenty-five million, two hundred sixty-one thousand, five hundred sixty-one".