61156252 has 12 divisors (see below), whose sum is σ = 107805600. Its totient is φ = 30354656.

The previous prime is 61156237. The next prime is 61156253. The reversal of 61156252 is 25265116.

It is a self number, because there is not a number n which added to its sum of digits gives 61156252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61156253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55252 + ... + 56347.

It is an arithmetic number, because the mean of its divisors is an integer number (8983800).

Almost surely, 2^61156252 is an apocalyptic number.

It is an amenable number.

61156252 is a deficient number, since it is larger than the sum of its proper divisors (46649348).

61156252 is a wasteful number, since it uses less digits than its factorization.

61156252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111740 (or 111738 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 61156252 is about 7820.2462876817. The cubic root of 61156252 is about 393.9855440598.

The spelling of 61156252 in words is "sixty-one million, one hundred fifty-six thousand, two hundred fifty-two".