631350485 has 4 divisors (see below), whose sum is σ = 757620588. Its totient is φ = 505080384.

The previous prime is 631350463. The next prime is 631350493. The reversal of 631350485 is 584053136.

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

It can be written as a sum of positive squares in 2 ways, for example, as 459373489 + 171976996 = 21433^2 + 13114^2 .

It is a cyclic number.

It is not a de Polignac number, because 631350485 - 2¹⁴ = 631334101 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 63135044 + ... + 63135053.

It is an arithmetic number, because the mean of its divisors is an integer number (189405147).

Almost surely, 2^631350485 is an apocalyptic number.

It is an amenable number.

631350485 is a deficient number, since it is larger than the sum of its proper divisors (126270103).

631350485 is a wasteful number, since it uses less digits than its factorization.

631350485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126270102.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 631350485 is about 25126.6886994685. The cubic root of 631350485 is about 857.8740009644.

The spelling of 631350485 in words is "six hundred thirty-one million, three hundred fifty thousand, four hundred eighty-five".