457493252 has 12 divisors (see below), whose sum is σ = 820140636. Its totient is φ = 223167360.

The previous prime is 457493251. The next prime is 457493287. The reversal of 457493252 is 252394754.

It can be written as a sum of positive squares in 2 ways, for example, as 42719296 + 414773956 = 6536^2 + 20366^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (457493251) 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, 1394633 + ... + 1394960.

It is an arithmetic number, because the mean of its divisors is an integer number (68345053).

Almost surely, 2^457493252 is an apocalyptic number.

It is an amenable number.

457493252 is a deficient number, since it is larger than the sum of its proper divisors (362647384).

457493252 is a wasteful number, since it uses less digits than its factorization.

457493252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789638 (or 2789636 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 457493252 is about 21389.0918928317. The cubic root of 457493252 is about 770.5394836311.

The spelling of 457493252 in words is "four hundred fifty-seven million, four hundred ninety-three thousand, two hundred fifty-two".