631060673 has 6 divisors (see below), whose sum is σ = 633920706. Its totient is φ = 628204032.

The previous prime is 631060649. The next prime is 631060687. The reversal of 631060673 is 376060136.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 628605184 + 2455489 = 25072^2 + 1567^2 .

It is not a de Polignac number, because 631060673 - 2¹² = 631056577 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631060603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401936 + ... + 403502.

It is an arithmetic number, because the mean of its divisors is an integer number (105653451).

Almost surely, 2^631060673 is an apocalyptic number.

It is an amenable number.

631060673 is a deficient number, since it is larger than the sum of its proper divisors (2860033).

631060673 is an frugal number, since it uses more digits than its factorization.

631060673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 631060673 is about 25120.9210221281. The cubic root of 631060673 is about 857.7427161299.

The spelling of 631060673 in words is "six hundred thirty-one million, sixty thousand, six hundred seventy-three".