565401252 has 24 divisors (see below), whose sum is σ = 1420752256. Its totient is φ = 173969568.

The previous prime is 565401251. The next prime is 565401269. The reversal of 565401252 is 252104565.

It is not an unprimeable number, because it can be changed into a prime (565401251) 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, 1812028 + ... + 1812339.

Almost surely, 2^565401252 is an apocalyptic number.

565401252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

565401252 is an abundant number, since it is smaller than the sum of its proper divisors (855351004).

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

565401252 is a wasteful number, since it uses less digits than its factorization.

565401252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624387 (or 3624385 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 565401252 is about 23778.1675492457. The cubic root of 565401252 is about 826.8985974130.

The spelling of 565401252 in words is "five hundred sixty-five million, four hundred one thousand, two hundred fifty-two".