61246564 has 6 divisors (see below), whose sum is σ = 107181494. Its totient is φ = 30623280.

The previous prime is 61246531. The next prime is 61246589. The reversal of 61246564 is 46564216.

It can be written as a sum of positive squares in only one way, i.e., 54641664 + 6604900 = 7392^2 + 2570^2 .

It is a super-2 number, since 2×61246564² = 7502283203612192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7655817 + ... + 7655824.

Almost surely, 2^61246564 is an apocalyptic number.

It is an amenable number.

61246564 is a deficient number, since it is larger than the sum of its proper divisors (45934930).

61246564 is a wasteful number, since it uses less digits than its factorization.

61246564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311645 (or 15311643 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 61246564 is about 7826.0184001828. The cubic root of 61246564 is about 394.1793869932.

The spelling of 61246564 in words is "sixty-one million, two hundred forty-six thousand, five hundred sixty-four".