61836331 has 2 divisors, whose sum is σ = 61836332. Its totient is φ = 61836330.

The previous prime is 61836283. The next prime is 61836337. The reversal of 61836331 is 13363816.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61836331 is a prime.

It is a super-2 number, since 2×61836331² = 7647463663083122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61836293 and 61836302.

It is not a weakly prime, because it can be changed into another prime (61836337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30918165 + 30918166.

It is an arithmetic number, because the mean of its divisors is an integer number (30918166).

Almost surely, 2^61836331 is an apocalyptic number.

61836331 is a deficient number, since it is larger than the sum of its proper divisors (1).

61836331 is an equidigital number, since it uses as much as digits as its factorization.

61836331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 61836331 is about 7863.6080141370. The cubic root of 61836331 is about 395.4405830051.

The spelling of 61836331 in words is "sixty-one million, eight hundred thirty-six thousand, three hundred thirty-one".