252630492 has 24 divisors (see below), whose sum is σ = 595310352. Its totient is φ = 83376000.

The previous prime is 252630491. The next prime is 252630493. The reversal of 252630492 is 294036252.

It is an interprime number because it is at equal distance from previous prime (252630491) and next prime (252630493).

It is a super-3 number, since 3×252630492³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252630491) 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, 103009 + ... + 105432.

It is an arithmetic number, because the mean of its divisors is an integer number (24804598).

Almost surely, 2^252630492 is an apocalyptic number.

It is an amenable number.

252630492 is an abundant number, since it is smaller than the sum of its proper divisors (342679860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252630492 is a wasteful number, since it uses less digits than its factorization.

252630492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208549 (or 208547 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 252630492 is about 15894.3540919409. The cubic root of 252630492 is about 632.1622954183.

The spelling of 252630492 in words is "two hundred fifty-two million, six hundred thirty thousand, four hundred ninety-two".