252380501 has 8 divisors (see below), whose sum is σ = 253744920. Its totient is φ = 251020288.

The previous prime is 252380497. The next prime is 252380509. The reversal of 252380501 is 105083252.

252380501 = 55² + 56² + ... + 911².

It can be written as a sum of positive squares in 4 ways, for example, as 682276 + 251698225 = 826^2 + 15865^2 .

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 252380501 - 2² = 252380497 is a prime.

It is a super-2 number, since 2×252380501² = 127391834570022002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252380509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271205 + ... + 272133.

It is an arithmetic number, because the mean of its divisors is an integer number (31718115).

Almost surely, 2^252380501 is an apocalyptic number.

It is an amenable number.

252380501 is a deficient number, since it is larger than the sum of its proper divisors (1364419).

252380501 is an equidigital number, since it uses as much as digits as its factorization.

252380501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 252380501 is about 15886.4880008138. The cubic root of 252380501 is about 631.9537074529.

The spelling of 252380501 in words is "two hundred fifty-two million, three hundred eighty thousand, five hundred one".