495461257 has 8 divisors (see below), whose sum is σ = 504199872. Its totient is φ = 486798000.

The previous prime is 495461231. The next prime is 495461273. The reversal of 495461257 is 752164594.

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

It is a cyclic number.

It is not a de Polignac number, because 495461257 - 2⁷ = 495461129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495461297) 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, 5493 + ... + 31954.

It is an arithmetic number, because the mean of its divisors is an integer number (63024984).

Almost surely, 2^495461257 is an apocalyptic number.

It is an amenable number.

495461257 is a deficient number, since it is larger than the sum of its proper divisors (8738615).

495461257 is a wasteful number, since it uses less digits than its factorization.

495461257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37679.

The product of its digits is 302400, while the sum is 43.

The square root of 495461257 is about 22258.9590277713. The cubic root of 495461257 is about 791.2916204740.

The spelling of 495461257 in words is "four hundred ninety-five million, four hundred sixty-one thousand, two hundred fifty-seven".