252418867 has 4 divisors (see below), whose sum is σ = 252747880. Its totient is φ = 252089856.

The previous prime is 252418861. The next prime is 252418877. The reversal of 252418867 is 768814252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252418867 - 2¹¹ = 252416819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252418861) 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, 163353 + ... + 164890.

It is an arithmetic number, because the mean of its divisors is an integer number (63186970).

Almost surely, 2^252418867 is an apocalyptic number.

252418867 is a deficient number, since it is larger than the sum of its proper divisors (329013).

252418867 is an equidigital number, since it uses as much as digits as its factorization.

252418867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329012.

The product of its digits is 215040, while the sum is 43.

The square root of 252418867 is about 15887.6954590652. The cubic root of 252418867 is about 631.9857282936.

The spelling of 252418867 in words is "two hundred fifty-two million, four hundred eighteen thousand, eight hundred sixty-seven".