61223375 has 32 divisors (see below), whose sum is σ = 82757376. Its totient is φ = 45043200.

The previous prime is 61223329. The next prime is 61223381. The reversal of 61223375 is 57332216.

It is not a de Polignac number, because 61223375 - 2²⁴ = 44446159 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 31 ways as a sum of consecutive naturals, for example, 99569 + ... + 100181.

It is an arithmetic number, because the mean of its divisors is an integer number (2586168).

Almost surely, 2^61223375 is an apocalyptic number.

61223375 is a deficient number, since it is larger than the sum of its proper divisors (21534001).

61223375 is a wasteful number, since it uses less digits than its factorization.

61223375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 682 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 61223375 is about 7824.5367275002. The cubic root of 61223375 is about 394.1296330204.

The spelling of 61223375 in words is "sixty-one million, two hundred twenty-three thousand, three hundred seventy-five".