61242925 has 24 divisors (see below), whose sum is σ = 83197800. Its totient is φ = 44513280.

The previous prime is 61242917. The next prime is 61242943. The reversal of 61242925 is 52924216.

It can be written as a sum of positive squares in 12 ways, for example, as 15896169 + 45346756 = 3987^2 + 6734^2 .

It is not a de Polignac number, because 61242925 - 2³ = 61242917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9841 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (3466575).

Almost surely, 2^61242925 is an apocalyptic number.

It is an amenable number.

61242925 is a deficient number, since it is larger than the sum of its proper divisors (21954875).

61242925 is a wasteful number, since it uses less digits than its factorization.

61242925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5020 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 61242925 is about 7825.7859030260. The cubic root of 61242925 is about 394.1715800399.

The spelling of 61242925 in words is "sixty-one million, two hundred forty-two thousand, nine hundred twenty-five".