252408005 has 8 divisors (see below), whose sum is σ = 306293400. Its totient is φ = 199657216.

The previous prime is 252407963. The next prime is 252408007. The reversal of 252408005 is 500804252.

252408005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 252396769 = 106^2 + 15887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252408005 - 2¹⁴ = 252391621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252408007) 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, 283160 + ... + 284049.

It is an arithmetic number, because the mean of its divisors is an integer number (38286675).

Almost surely, 2^252408005 is an apocalyptic number.

It is an amenable number.

252408005 is a deficient number, since it is larger than the sum of its proper divisors (53885395).

252408005 is an equidigital number, since it uses as much as digits as its factorization.

252408005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567303.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 252408005 is about 15887.3536185231. The cubic root of 252408005 is about 631.9766630343.

The spelling of 252408005 in words is "two hundred fifty-two million, four hundred eight thousand, five".