631454606 has 4 divisors (see below), whose sum is σ = 947181912. Its totient is φ = 315727302.

The previous prime is 631454591. The next prime is 631454609. The reversal of 631454606 is 606454136.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631454609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157863650 + ... + 157863653.

It is an arithmetic number, because the mean of its divisors is an integer number (236795478).

Almost surely, 2^631454606 is an apocalyptic number.

631454606 is a deficient number, since it is larger than the sum of its proper divisors (315727306).

631454606 is a wasteful number, since it uses less digits than its factorization.

631454606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315727305.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 631454606 is about 25128.7605344951. The cubic root of 631454606 is about 857.9211579668.

The spelling of 631454606 in words is "six hundred thirty-one million, four hundred fifty-four thousand, six hundred six".