562740257 has 4 divisors (see below), whose sum is σ = 563025456. Its totient is φ = 562455060.

The previous prime is 562740247. The next prime is 562740263. The reversal of 562740257 is 752047265.

It is a happy number.

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 562740257 - 2⁶ = 562740193 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 562740257.

It is not an unprimeable number, because it can be changed into a prime (562740247) 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, 139619 + ... + 143592.

It is an arithmetic number, because the mean of its divisors is an integer number (140756364).

Almost surely, 2^562740257 is an apocalyptic number.

It is an amenable number.

562740257 is a deficient number, since it is larger than the sum of its proper divisors (285199).

562740257 is a wasteful number, since it uses less digits than its factorization.

562740257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285198.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 562740257 is about 23722.1469728185. The cubic root of 562740257 is about 825.5993230703.

The spelling of 562740257 in words is "five hundred sixty-two million, seven hundred forty thousand, two hundred fifty-seven".