61052157 has 32 divisors (see below), whose sum is σ = 93582720. Its totient is φ = 39312000.

The previous prime is 61052141. The next prime is 61052161. The reversal of 61052157 is 75125016.

It is not a de Polignac number, because 61052157 - 2⁴ = 61052141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 61052157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61052137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144807 + ... + 145227.

It is an arithmetic number, because the mean of its divisors is an integer number (2924460).

Almost surely, 2^61052157 is an apocalyptic number.

It is an amenable number.

61052157 is a deficient number, since it is larger than the sum of its proper divisors (32530563).

61052157 is a wasteful number, since it uses less digits than its factorization.

61052157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 61052157 is about 7813.5879722442. The cubic root of 61052157 is about 393.7618808206.

The spelling of 61052157 in words is "sixty-one million, fifty-two thousand, one hundred fifty-seven".