252424569 has 4 divisors (see below), whose sum is σ = 336566096. Its totient is φ = 168283044.

The previous prime is 252424541. The next prime is 252424589. The reversal of 252424569 is 965424252.

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 not a de Polignac number, because 252424569 - 2¹² = 252420473 is a prime.

It is a super-2 number, since 2×252424569² = 127436326069671522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252424589) 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, 42070759 + ... + 42070764.

It is an arithmetic number, because the mean of its divisors is an integer number (84141524).

Almost surely, 2^252424569 is an apocalyptic number.

It is an amenable number.

252424569 is a deficient number, since it is larger than the sum of its proper divisors (84141527).

252424569 is an equidigital number, since it uses as much as digits as its factorization.

252424569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84141526.

The product of its digits is 172800, while the sum is 39.

The square root of 252424569 is about 15887.8749050967. The cubic root of 252424569 is about 631.9904869916.

The spelling of 252424569 in words is "two hundred fifty-two million, four hundred twenty-four thousand, five hundred sixty-nine".