631603492 has 12 divisors (see below), whose sum is σ = 1190329756. Its totient is φ = 291509280.

The previous prime is 631603487. The next prime is 631603493. The reversal of 631603492 is 294306136.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 154355776 + 477247716 = 12424^2 + 21846^2 .

It is a super-2 number, since 2×631603492² = 797845942213188128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (631603493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073059 + ... + 6073162.

Almost surely, 2^631603492 is an apocalyptic number.

It is an amenable number.

631603492 is a deficient number, since it is larger than the sum of its proper divisors (558726264).

631603492 is a wasteful number, since it uses less digits than its factorization.

631603492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12146238 (or 12146236 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 631603492 is about 25131.7228219635. The cubic root of 631603492 is about 857.9885802911.

The spelling of 631603492 in words is "six hundred thirty-one million, six hundred three thousand, four hundred ninety-two".