252417369 has 4 divisors (see below), whose sum is σ = 336556496. Its totient is φ = 168278244.

The previous prime is 252417331. The next prime is 252417383. The reversal of 252417369 is 963714252.

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 252417369 - 2¹³ = 252409177 is a prime.

It is a super-2 number, since 2×252417369² = 127429056345764322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252417569) 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, 42069559 + ... + 42069564.

It is an arithmetic number, because the mean of its divisors is an integer number (84139124).

Almost surely, 2^252417369 is an apocalyptic number.

It is an amenable number.

252417369 is a deficient number, since it is larger than the sum of its proper divisors (84139127).

252417369 is an equidigital number, since it uses as much as digits as its factorization.

252417369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84139126.

The product of its digits is 90720, while the sum is 39.

The square root of 252417369 is about 15887.6483155941. The cubic root of 252417369 is about 631.9844781011.

The spelling of 252417369 in words is "two hundred fifty-two million, four hundred seventeen thousand, three hundred sixty-nine".