61164463 has 2 divisors, whose sum is σ = 61164464. Its totient is φ = 61164462.

The previous prime is 61164421. The next prime is 61164473. The reversal of 61164463 is 36446116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61164463 - 2²¹ = 59067311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61164473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582231 + 30582232.

It is an arithmetic number, because the mean of its divisors is an integer number (30582232).

Almost surely, 2^61164463 is an apocalyptic number.

61164463 is a deficient number, since it is larger than the sum of its proper divisors (1).

61164463 is an equidigital number, since it uses as much as digits as its factorization.

61164463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 61164463 is about 7820.7712535274. The cubic root of 61164463 is about 394.0031757841.

The spelling of 61164463 in words is "sixty-one million, one hundred sixty-four thousand, four hundred sixty-three".