61513048 has 16 divisors (see below), whose sum is σ = 118019880. Its totient is φ = 30041088.

The previous prime is 61513033. The next prime is 61513057. The reversal of 61513048 is 84031516.

It is a congruent number.

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, 89065 + ... + 89752.

Almost surely, 2^61513048 is an apocalyptic number.

It is an amenable number.

61513048 is a deficient number, since it is larger than the sum of its proper divisors (56506832).

61513048 is a wasteful number, since it uses less digits than its factorization.

61513048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178866 (or 178862 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 61513048 is about 7843.0254366539. The cubic root of 61513048 is about 394.7502517806.

The spelling of 61513048 in words is "sixty-one million, five hundred thirteen thousand, forty-eight".