61457025 has 48 divisors (see below), whose sum is σ = 118544000. Its totient is φ = 28082880.

The previous prime is 61457017. The next prime is 61457027. The reversal of 61457025 is 52075416.

It is not a de Polignac number, because 61457025 - 2³ = 61457017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61456983 and 61457001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61457027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24531 + ... + 26919.

Almost surely, 2^61457025 is an apocalyptic number.

It is an amenable number.

61457025 is a deficient number, since it is larger than the sum of its proper divisors (57086975).

61457025 is a wasteful number, since it uses less digits than its factorization.

61457025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 61457025 is about 7839.4531059252. The cubic root of 61457025 is about 394.6303758017.

The spelling of 61457025 in words is "sixty-one million, four hundred fifty-seven thousand, twenty-five".