498152257 has 4 divisors (see below), whose sum is σ = 500760576. Its totient is φ = 495543940.

The previous prime is 498152243. The next prime is 498152269. The reversal of 498152257 is 752251894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 498152257 - 2⁷ = 498152129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498152957) 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, 1303873 + ... + 1304254.

It is an arithmetic number, because the mean of its divisors is an integer number (125190144).

Almost surely, 2^498152257 is an apocalyptic number.

It is an amenable number.

498152257 is a deficient number, since it is larger than the sum of its proper divisors (2608319).

498152257 is a wasteful number, since it uses less digits than its factorization.

498152257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608318.

The product of its digits is 201600, while the sum is 43.

The square root of 498152257 is about 22319.3247433698. The cubic root of 498152257 is about 792.7216160821.

The spelling of 498152257 in words is "four hundred ninety-eight million, one hundred fifty-two thousand, two hundred fifty-seven".