252464637 has 8 divisors (see below), whose sum is σ = 356420736. Its totient is φ = 158409152.

The previous prime is 252464581. The next prime is 252464659. The reversal of 252464637 is 736464252.

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 252464637 - 2¹⁰ = 252463613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252464595 and 252464604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252463637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475093 + ... + 2475194.

It is an arithmetic number, because the mean of its divisors is an integer number (44552592).

Almost surely, 2^252464637 is an apocalyptic number.

It is an amenable number.

252464637 is a deficient number, since it is larger than the sum of its proper divisors (103956099).

252464637 is a wasteful number, since it uses less digits than its factorization.

252464637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950307.

The product of its digits is 241920, while the sum is 39.

The square root of 252464637 is about 15889.1358166516. The cubic root of 252464637 is about 632.0239243801.

It can be divided in two parts, 2524 and 64637, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 252464637 in words is "two hundred fifty-two million, four hundred sixty-four thousand, six hundred thirty-seven".