61379275 has 12 divisors (see below), whose sum is σ = 77881672. Its totient is φ = 47960640.

The previous prime is 61379261. The next prime is 61379309. The reversal of 61379275 is 57297316.

61379275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61379275 - 2⁵ = 61379243 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27474 + ... + 29623.

Almost surely, 2^61379275 is an apocalyptic number.

61379275 is a deficient number, since it is larger than the sum of its proper divisors (16502397).

61379275 is a wasteful number, since it uses less digits than its factorization.

61379275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57150 (or 57145 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 61379275 is about 7834.4926447090. The cubic root of 61379275 is about 394.4638884080.

The spelling of 61379275 in words is "sixty-one million, three hundred seventy-nine thousand, two hundred seventy-five".