61393463 has 4 divisors (see below), whose sum is σ = 64062768. Its totient is φ = 58724160.

The previous prime is 61393447. The next prime is 61393469. The reversal of 61393463 is 36439316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61393463 - 2⁴ = 61393447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61393469) 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, 1334618 + ... + 1334663.

It is an arithmetic number, because the mean of its divisors is an integer number (16015692).

Almost surely, 2^61393463 is an apocalyptic number.

61393463 is a deficient number, since it is larger than the sum of its proper divisors (2669305).

61393463 is a wasteful number, since it uses less digits than its factorization.

61393463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669304.

The product of its digits is 34992, while the sum is 35.

The square root of 61393463 is about 7835.3980754011. The cubic root of 61393463 is about 394.4942798958.

The spelling of 61393463 in words is "sixty-one million, three hundred ninety-three thousand, four hundred sixty-three".