61270025 has 12 divisors (see below), whose sum is σ = 77264400. Its totient is φ = 48184080.

The previous prime is 61270021. The next prime is 61270051. The reversal of 61270025 is 52007216.

It is not a de Polignac number, because 61270025 - 2² = 61270021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61270021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19295 + ... + 22244.

It is an arithmetic number, because the mean of its divisors is an integer number (6438700).

Almost surely, 2^61270025 is an apocalyptic number.

It is an amenable number.

61270025 is a deficient number, since it is larger than the sum of its proper divisors (15994375).

61270025 is a wasteful number, since it uses less digits than its factorization.

61270025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41608 (or 41603 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 61270025 is about 7827.5171670205. The cubic root of 61270025 is about 394.2297117865.

The spelling of 61270025 in words is "sixty-one million, two hundred seventy thousand, twenty-five".