631006466 has 4 divisors (see below), whose sum is σ = 946509702. Its totient is φ = 315503232.

The previous prime is 631006463. The next prime is 631006471. The reversal of 631006466 is 664600136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 397803025 + 233203441 = 19945^2 + 15271^2 .

It is not an unprimeable number, because it can be changed into a prime (631006463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157751615 + ... + 157751618.

Almost surely, 2^631006466 is an apocalyptic number.

631006466 is a deficient number, since it is larger than the sum of its proper divisors (315503236).

631006466 is a wasteful number, since it uses less digits than its factorization.

631006466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315503235.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 631006466 is about 25119.8420775291. The cubic root of 631006466 is about 857.7181558973.

The spelling of 631006466 in words is "six hundred thirty-one million, six thousand, four hundred sixty-six".