925561 has 12 divisors (see below), whose sum is σ = 1160292. Its totient is φ = 731808.

The previous prime is 925559. The next prime is 925577. The reversal of 925561 is 165529.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 354025 = 756^2 + 595^2 .

It is not a de Polignac number, because 925561 - 2¹ = 925559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (925501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (96691).

2⁹²⁵⁵⁶¹ is an apocalyptic number.

925561 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

925561 is a deficient number, since it is larger than the sum of its proper divisors (234731).

925561 is a wasteful number, since it uses less digits than its factorization.

925561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1473 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 925561 is about 962.0608088889. The cubic root of 925561 is about 97.4544516593.

It can be divided in two parts, 9255 and 61, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 925561 in words is "nine hundred twenty-five thousand, five hundred sixty-one".