657413542 has 4 divisors (see below), whose sum is σ = 986120316. Its totient is φ = 328706770.

The previous prime is 657413513. The next prime is 657413563. The reversal of 657413542 is 245314756.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164353384 + ... + 164353387.

It is an arithmetic number, because the mean of its divisors is an integer number (246530079).

Almost surely, 2^657413542 is an apocalyptic number.

657413542 is a deficient number, since it is larger than the sum of its proper divisors (328706774).

657413542 is a wasteful number, since it uses less digits than its factorization.

657413542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328706773.

The product of its digits is 100800, while the sum is 37.

The square root of 657413542 is about 25640.0768719596. The cubic root of 657413542 is about 869.5199456690.

The spelling of 657413542 in words is "six hundred fifty-seven million, four hundred thirteen thousand, five hundred forty-two".