631574701 has 8 divisors (see below), whose sum is σ = 685037304. Its totient is φ = 579924480.

The previous prime is 631574689. The next prime is 631574729. The reversal of 631574701 is 107475136.

It can be written as a sum of positive squares in 4 ways, for example, as 148718025 + 482856676 = 12195^2 + 21974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631574701 - 2⁹ = 631574189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631574401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452370 + ... + 453763.

It is an arithmetic number, because the mean of its divisors is an integer number (85629663).

Almost surely, 2^631574701 is an apocalyptic number.

It is an amenable number.

631574701 is a deficient number, since it is larger than the sum of its proper divisors (53462603).

631574701 is a wasteful number, since it uses less digits than its factorization.

631574701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906191.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 631574701 is about 25131.1500134793. The cubic root of 631574701 is about 857.9755432487.

The spelling of 631574701 in words is "six hundred thirty-one million, five hundred seventy-four thousand, seven hundred one".