457657403 has 12 divisors (see below), whose sum is σ = 546767712. Its totient is φ = 381674160.

The previous prime is 457657399. The next prime is 457657411. The reversal of 457657403 is 304756754.

It is not a de Polignac number, because 457657403 - 2² = 457657399 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457657423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124403 + ... + 128028.

It is an arithmetic number, because the mean of its divisors is an integer number (45563976).

Almost surely, 2^457657403 is an apocalyptic number.

457657403 is a deficient number, since it is larger than the sum of its proper divisors (89110309).

457657403 is a wasteful number, since it uses less digits than its factorization.

457657403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252482 (or 252475 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 457657403 is about 21392.9288083703. The cubic root of 457657403 is about 770.6316304926.

The spelling of 457657403 in words is "four hundred fifty-seven million, six hundred fifty-seven thousand, four hundred three".