61251365 has 16 divisors (see below), whose sum is σ = 84188160. Its totient is φ = 41907840.

The previous prime is 61251353. The next prime is 61251373. The reversal of 61251365 is 56315216.

It is not a de Polignac number, because 61251365 - 2⁶ = 61251301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16556 + ... + 19914.

It is an arithmetic number, because the mean of its divisors is an integer number (5261760).

Almost surely, 2^61251365 is an apocalyptic number.

It is an amenable number.

61251365 is a deficient number, since it is larger than the sum of its proper divisors (22936795).

61251365 is a wasteful number, since it uses less digits than its factorization.

61251365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892.

The product of its digits is 5400, while the sum is 29.

The square root of 61251365 is about 7826.3251274145. The cubic root of 61251365 is about 394.1896863780.

It can be divided in two parts, 61251 and 365, that added together give a palindrome (61616).

The spelling of 61251365 in words is "sixty-one million, two hundred fifty-one thousand, three hundred sixty-five".