61082631 has 12 divisors (see below), whose sum is σ = 88344360. Its totient is φ = 40669200.

The previous prime is 61082629. The next prime is 61082647. The reversal of 61082631 is 13628016.

It is not a de Polignac number, because 61082631 - 2¹ = 61082629 is a prime.

It is a super-2 number, since 2×61082631² = 7462175619764322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61082595 and 61082604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61082621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3781 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (7362030).

Almost surely, 2^61082631 is an apocalyptic number.

61082631 is a deficient number, since it is larger than the sum of its proper divisors (27261729).

61082631 is a wasteful number, since it uses less digits than its factorization.

61082631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61082631 is about 7815.5377933959. The cubic root of 61082631 is about 393.8273849415.

The spelling of 61082631 in words is "sixty-one million, eighty-two thousand, six hundred thirty-one".