631327450 has 24 divisors (see below), whose sum is σ = 1264598748. Its totient is φ = 233105280.

The previous prime is 631327429. The next prime is 631327469. The reversal of 631327450 is 54723136.

It can be written as a sum of positive squares in 6 ways, for example, as 11964681 + 619362769 = 3459^2 + 24887^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484987 + ... + 486286.

Almost surely, 2^631327450 is an apocalyptic number.

631327450 is an abundant number, since it is smaller than the sum of its proper divisors (633271298).

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

631327450 is a wasteful number, since it uses less digits than its factorization.

631327450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971298 (or 971293 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 631327450 is about 25126.2303181357. The cubic root of 631327450 is about 857.8635675794.

The spelling of 631327450 in words is "six hundred thirty-one million, three hundred twenty-seven thousand, four hundred fifty".