495291057 has 8 divisors (see below), whose sum is σ = 669434784. Its totient is φ = 325670688.

The previous prime is 495290987. The next prime is 495291079. The reversal of 495291057 is 750192594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 495291057 - 2¹⁸ = 495028913 is a prime.

It is a super-2 number, since 2×495291057² = 490626462288354498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (495290057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130583 + ... + 1131020.

It is an arithmetic number, because the mean of its divisors is an integer number (83679348).

Almost surely, 2^495291057 is an apocalyptic number.

It is an amenable number.

495291057 is a deficient number, since it is larger than the sum of its proper divisors (174143727).

495291057 is a wasteful number, since it uses less digits than its factorization.

495291057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261679.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 495291057 is about 22255.1355196952. The cubic root of 495291057 is about 791.2010023841.

The spelling of 495291057 in words is "four hundred ninety-five million, two hundred ninety-one thousand, fifty-seven".