61298265 has 24 divisors (see below), whose sum is σ = 114091200. Its totient is φ = 28021728.

The previous prime is 61298261. The next prime is 61298273. The reversal of 61298265 is 56289216.

It is not a de Polignac number, because 61298265 - 2² = 61298261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61298261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40965 + ... + 42434.

It is an arithmetic number, because the mean of its divisors is an integer number (4753800).

Almost surely, 2^61298265 is an apocalyptic number.

It is an amenable number.

61298265 is a deficient number, since it is larger than the sum of its proper divisors (52792935).

61298265 is a wasteful number, since it uses less digits than its factorization.

61298265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83421 (or 83414 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 61298265 is about 7829.3208517725. The cubic root of 61298265 is about 394.2902706925.

The spelling of 61298265 in words is "sixty-one million, two hundred ninety-eight thousand, two hundred sixty-five".