457138025 has 6 divisors (see below), whose sum is σ = 566851182. Its totient is φ = 365710400.

The previous prime is 457137971. The next prime is 457138093. The reversal of 457138025 is 520831754.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12645136 + 444492889 = 3556^2 + 21083^2 .

It is a de Polignac number, because none of the positive numbers 2^k-457138025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9142736 + ... + 9142785.

It is an arithmetic number, because the mean of its divisors is an integer number (94475197).

Almost surely, 2^457138025 is an apocalyptic number.

It is an amenable number.

457138025 is a deficient number, since it is larger than the sum of its proper divisors (109713157).

457138025 is a wasteful number, since it uses less digits than its factorization.

457138025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285531 (or 18285526 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 457138025 is about 21380.7863513015. The cubic root of 457138025 is about 770.3399999577.

Adding to 457138025 its reverse (520831754), we get a palindrome (977969779).

The spelling of 457138025 in words is "four hundred fifty-seven million, one hundred thirty-eight thousand, twenty-five".