62461991 has 2 divisors, whose sum is σ = 62461992. Its totient is φ = 62461990.

The previous prime is 62461963. The next prime is 62462003. The reversal of 62461991 is 19916426.

62461991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 62461991 - 2¹⁰ = 62460967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62461391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31230995 + 31230996.

It is an arithmetic number, because the mean of its divisors is an integer number (31230996).

Almost surely, 2^62461991 is an apocalyptic number.

62461991 is a deficient number, since it is larger than the sum of its proper divisors (1).

62461991 is an equidigital number, since it uses as much as digits as its factorization.

62461991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 62461991 is about 7903.2898845987. The cubic root of 62461991 is about 396.7697993099.

The spelling of 62461991 in words is "sixty-two million, four hundred sixty-one thousand, nine hundred ninety-one".