60861631 has 2 divisors, whose sum is σ = 60861632. Its totient is φ = 60861630.

The previous prime is 60861599. The next prime is 60861653. The reversal of 60861631 is 13616806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60861631 - 2⁵ = 60861599 is a prime.

It is a super-2 number, since 2×60861631² = 7408276255960322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60861593 and 60861602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60865631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30430815 + 30430816.

It is an arithmetic number, because the mean of its divisors is an integer number (30430816).

Almost surely, 2^60861631 is an apocalyptic number.

60861631 is a deficient number, since it is larger than the sum of its proper divisors (1).

60861631 is an equidigital number, since it uses as much as digits as its factorization.

60861631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 60861631 is about 7801.3864793381. The cubic root of 60861631 is about 393.3518486129.

The spelling of 60861631 in words is "sixty million, eight hundred sixty-one thousand, six hundred thirty-one".