252426637 has 8 divisors (see below), whose sum is σ = 253725696. Its totient is φ = 251131632.

The previous prime is 252426593. The next prime is 252426649. The reversal of 252426637 is 736624252.

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 252426637 - 2⁷ = 252426509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252426596 and 252426605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252426667) 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, 292068 + ... + 292930.

It is an arithmetic number, because the mean of its divisors is an integer number (31715712).

Almost surely, 2^252426637 is an apocalyptic number.

It is an amenable number.

252426637 is a deficient number, since it is larger than the sum of its proper divisors (1299059).

252426637 is an equidigital number, since it uses as much as digits as its factorization.

252426637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027.

The product of its digits is 120960, while the sum is 37.

The square root of 252426637 is about 15887.9399860397. The cubic root of 252426637 is about 631.9922128574.

It can be divided in two parts, 2524 and 26637, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 252426637 in words is "two hundred fifty-two million, four hundred twenty-six thousand, six hundred thirty-seven".