631480435 has 4 divisors (see below), whose sum is σ = 757776528. Its totient is φ = 505184344.

The previous prime is 631480429. The next prime is 631480463. The reversal of 631480435 is 534084136.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 631480435 - 2⁵ = 631480403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 631480435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63148039 + ... + 63148048.

It is an arithmetic number, because the mean of its divisors is an integer number (189444132).

Almost surely, 2^631480435 is an apocalyptic number.

631480435 is a deficient number, since it is larger than the sum of its proper divisors (126296093).

631480435 is a wasteful number, since it uses less digits than its factorization.

631480435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126296092.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 631480435 is about 25129.2744622681. The cubic root of 631480435 is about 857.9328552676.

The spelling of 631480435 in words is "six hundred thirty-one million, four hundred eighty thousand, four hundred thirty-five".