61022975 has 12 divisors (see below), whose sum is σ = 81489576. Its totient is φ = 45062880.

The previous prime is 61022959. The next prime is 61022993. The reversal of 61022975 is 57922016.

It is not a de Polignac number, because 61022975 - 2⁴ = 61022959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93557 + ... + 94206.

It is an arithmetic number, because the mean of its divisors is an integer number (6790798).

Almost surely, 2^61022975 is an apocalyptic number.

61022975 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61022975 is a deficient number, since it is larger than the sum of its proper divisors (20466601).

61022975 is a wasteful number, since it uses less digits than its factorization.

61022975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187786 (or 187781 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 61022975 is about 7811.7203610984. The cubic root of 61022975 is about 393.6991334308.

The spelling of 61022975 in words is "sixty-one million, twenty-two thousand, nine hundred seventy-five".