60611631 has 4 divisors (see below), whose sum is σ = 80815512. Its totient is φ = 40407752.

The previous prime is 60611627. The next prime is 60611633. The reversal of 60611631 is 13611606.

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 60611631 - 2² = 60611627 is a prime.

It is a super-2 number, since 2×60611631² = 7347539624960322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60611633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10101936 + ... + 10101941.

It is an arithmetic number, because the mean of its divisors is an integer number (20203878).

Almost surely, 2^60611631 is an apocalyptic number.

60611631 is a deficient number, since it is larger than the sum of its proper divisors (20203881).

60611631 is a wasteful number, since it uses less digits than its factorization.

60611631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20203880.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 60611631 is about 7785.3471984235. The cubic root of 60611631 is about 392.8125218617.

The spelling of 60611631 in words is "sixty million, six hundred eleven thousand, six hundred thirty-one".