61246631 has 8 divisors (see below), whose sum is σ = 67669344. Its totient is φ = 55137280.

The previous prime is 61246609. The next prime is 61246667. The reversal of 61246631 is 13664216.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61246631 is a prime.

It is a super-2 number, since 2×61246631² = 7502299617700322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61246594 and 61246603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61246681) 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, 77930 + ... + 78711.

It is an arithmetic number, because the mean of its divisors is an integer number (8458668).

Almost surely, 2^61246631 is an apocalyptic number.

61246631 is a deficient number, since it is larger than the sum of its proper divisors (6422713).

61246631 is a wasteful number, since it uses less digits than its factorization.

61246631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156681.

The product of its digits is 5184, while the sum is 29.

The square root of 61246631 is about 7826.0226807747. The cubic root of 61246631 is about 394.1795307292.

The spelling of 61246631 in words is "sixty-one million, two hundred forty-six thousand, six hundred thirty-one".