61508925 has 36 divisors (see below), whose sum is σ = 110594484. Its totient is φ = 32678400.

The previous prime is 61508891. The next prime is 61508957. The reversal of 61508925 is 52980516.

It is a happy number.

61508925 is a `hidden beast` number, since 61 + 508 + 92 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1879641 + 59629284 = 1371^2 + 7722^2 .

It is not a de Polignac number, because 61508925 - 2⁶ = 61508861 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61508925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 103429 + ... + 104021.

It is an arithmetic number, because the mean of its divisors is an integer number (3072069).

Almost surely, 2^61508925 is an apocalyptic number.

It is an amenable number.

61508925 is a deficient number, since it is larger than the sum of its proper divisors (49085559).

61508925 is a wasteful number, since it uses less digits than its factorization.

61508925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 61508925 is about 7842.7625872520. The cubic root of 61508925 is about 394.7414320168.

The spelling of 61508925 in words is "sixty-one million, five hundred eight thousand, nine hundred twenty-five".