61416031 has 2 divisors, whose sum is σ = 61416032. Its totient is φ = 61416030.

The previous prime is 61415989. The next prime is 61416059. The reversal of 61416031 is 13061416.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61416031 - 2¹³ = 61407839 is a prime.

It is a super-2 number, since 2×61416031² = 7543857727585922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61415993 and 61416011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61416071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708015 + 30708016.

It is an arithmetic number, because the mean of its divisors is an integer number (30708016).

Almost surely, 2^61416031 is an apocalyptic number.

61416031 is a deficient number, since it is larger than the sum of its proper divisors (1).

61416031 is an equidigital number, since it uses as much as digits as its factorization.

61416031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 61416031 is about 7836.8380741215. The cubic root of 61416031 is about 394.5426121655.

Adding to 61416031 its reverse (13061416), we get a palindrome (74477447).

The spelling of 61416031 in words is "sixty-one million, four hundred sixteen thousand, thirty-one".