631007061 has 8 divisors (see below), whose sum is σ = 844032000. Its totient is φ = 419326752.

The previous prime is 631007059. The next prime is 631007099. The reversal of 631007061 is 160700136.

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

It is not a de Polignac number, because 631007061 - 2¹ = 631007059 is a prime.

It is a super-2 number, since 2×631007061² = 796339822063715442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631007011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335061 + ... + 336938.

It is an arithmetic number, because the mean of its divisors is an integer number (105504000).

Almost surely, 2^631007061 is an apocalyptic number.

It is an amenable number.

631007061 is a deficient number, since it is larger than the sum of its proper divisors (213024939).

631007061 is a wasteful number, since it uses less digits than its factorization.

631007061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672315.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 631007061 is about 25119.8539207536. The cubic root of 631007061 is about 857.7184254889.

Adding to 631007061 its reverse (160700136), we get a palindrome (791707197).

The spelling of 631007061 in words is "six hundred thirty-one million, seven thousand, sixty-one".