61251716 has 12 divisors (see below), whose sum is σ = 109471488. Its totient is φ = 29974152.

The previous prime is 61251709. The next prime is 61251727. The reversal of 61251716 is 61715216.

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, 162716 + ... + 163091.

It is an arithmetic number, because the mean of its divisors is an integer number (9122624).

Almost surely, 2^61251716 is an apocalyptic number.

It is an amenable number.

61251716 is a deficient number, since it is larger than the sum of its proper divisors (48219772).

61251716 is a wasteful number, since it uses less digits than its factorization.

61251716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325858 (or 325856 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 61251716 is about 7826.3475517000. The cubic root of 61251716 is about 394.1904393425.

The spelling of 61251716 in words is "sixty-one million, two hundred fifty-one thousand, seven hundred sixteen".