61253156 has 12 divisors (see below), whose sum is σ = 109686192. Its totient is φ = 29914248.

The previous prime is 61253147. The next prime is 61253177. The reversal of 61253156 is 65135216.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177890 + ... + 178233.

It is an arithmetic number, because the mean of its divisors is an integer number (9140516).

Almost surely, 2^61253156 is an apocalyptic number.

It is an amenable number.

61253156 is a deficient number, since it is larger than the sum of its proper divisors (48433036).

61253156 is a wasteful number, since it uses less digits than its factorization.

61253156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356170 (or 356168 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 61253156 is about 7826.4395480959. The cubic root of 61253156 is about 394.1935283977.

The spelling of 61253156 in words is "sixty-one million, two hundred fifty-three thousand, one hundred fifty-six".