257341002 has 64 divisors (see below), whose sum is σ = 558472320. Its totient is φ = 78761984.

The previous prime is 257340973. The next prime is 257341009. The reversal of 257341002 is 200143752.

It is not an unprimeable number, because it can be changed into a prime (257341009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 956524 + ... + 956792.

It is an arithmetic number, because the mean of its divisors is an integer number (8726130).

Almost surely, 2^257341002 is an apocalyptic number.

257341002 is an abundant number, since it is smaller than the sum of its proper divisors (301131318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257341002 is a wasteful number, since it uses less digits than its factorization.

257341002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 257341002 is about 16041.8515764235. The cubic root of 257341002 is about 636.0671925766.

Adding to 257341002 its reverse (200143752), we get a palindrome (457484754).

The spelling of 257341002 in words is "two hundred fifty-seven million, three hundred forty-one thousand, two".