995057257 has 8 divisors (see below), whose sum is σ = 1060413696. Its totient is φ = 931541952.

The previous prime is 995057207. The next prime is 995057263. The reversal of 995057257 is 752750599.

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

It is not a de Polignac number, because 995057257 - 2¹⁵ = 995024489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 995057257.

It is not an unprimeable number, because it can be changed into a prime (995057207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459168 + ... + 461329.

It is an arithmetic number, because the mean of its divisors is an integer number (132551712).

Almost surely, 2^995057257 is an apocalyptic number.

It is an amenable number.

995057257 is a deficient number, since it is larger than the sum of its proper divisors (65356439).

995057257 is a wasteful number, since it uses less digits than its factorization.

995057257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920567.

The product of its (nonzero) digits is 992250, while the sum is 49.

The square root of 995057257 is about 31544.5281625831. The cubic root of 995057257 is about 998.3496969982.

The spelling of 995057257 in words is "nine hundred ninety-five million, fifty-seven thousand, two hundred fifty-seven".