631602252 has 48 divisors (see below), whose sum is σ = 1693960800. Its totient is φ = 203273280.

The previous prime is 631602203. The next prime is 631602259. The reversal of 631602252 is 252206136.

631602252 is a `hidden beast` number, since 6 + 3 + 1 + 602 + 2 + 52 = 666.

631602252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (631602259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97699 + ... + 103962.

It is an arithmetic number, because the mean of its divisors is an integer number (35290850).

Almost surely, 2^631602252 is an apocalyptic number.

It is an amenable number.

631602252 is an abundant number, since it is smaller than the sum of its proper divisors (1062358548).

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

631602252 is a wasteful number, since it uses less digits than its factorization.

631602252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201703 (or 201695 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 631602252 is about 25131.6981519355. The cubic root of 631602252 is about 857.9880188067.

Adding to 631602252 its reverse (252206136), we get a palindrome (883808388).

The spelling of 631602252 in words is "six hundred thirty-one million, six hundred two thousand, two hundred fifty-two".