457521332 has 6 divisors (see below), whose sum is σ = 800662338. Its totient is φ = 228760664.

The previous prime is 457521319. The next prime is 457521347. The reversal of 457521332 is 233125754.

It can be written as a sum of positive squares in only one way, i.e., 267191716 + 190329616 = 16346^2 + 13796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57190163 + ... + 57190170.

It is an arithmetic number, because the mean of its divisors is an integer number (133443723).

Almost surely, 2^457521332 is an apocalyptic number.

It is an amenable number.

457521332 is a deficient number, since it is larger than the sum of its proper divisors (343141006).

457521332 is a wasteful number, since it uses less digits than its factorization.

457521332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114380337 (or 114380335 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 457521332 is about 21389.7482921141. The cubic root of 457521332 is about 770.5552480210. Note that the first 3 decimals are identical.

The spelling of 457521332 in words is "four hundred fifty-seven million, five hundred twenty-one thousand, three hundred thirty-two".