61482391 has 2 divisors, whose sum is σ = 61482392. Its totient is φ = 61482390.

The previous prime is 61482359. The next prime is 61482397. The reversal of 61482391 is 19328416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61482391 - 2⁵ = 61482359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61482397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30741195 + 30741196.

It is an arithmetic number, because the mean of its divisors is an integer number (30741196).

Almost surely, 2^61482391 is an apocalyptic number.

61482391 is a deficient number, since it is larger than the sum of its proper divisors (1).

61482391 is an equidigital number, since it uses as much as digits as its factorization.

61482391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 61482391 is about 7841.0707814686. The cubic root of 61482391 is about 394.6846620676.

The spelling of 61482391 in words is "sixty-one million, four hundred eighty-two thousand, three hundred ninety-one".