61252322399 has 2 divisors, whose sum is σ = 61252322400. Its totient is φ = 61252322398.

The previous prime is 61252322353. The next prime is 61252322423. The reversal of 61252322399 is 99322325216.

61252322399 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 61252322399 - 2²⁴ = 61235545183 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 (61252322309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30626161199 + 30626161200.

It is an arithmetic number, because the mean of its divisors is an integer number (30626161200).

Almost surely, 2^61252322399 is an apocalyptic number.

61252322399 is a deficient number, since it is larger than the sum of its proper divisors (1).

61252322399 is an equidigital number, since it uses as much as digits as its factorization.

61252322399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The spelling of 61252322399 in words is "sixty-one billion, two hundred fifty-two million, three hundred twenty-two thousand, three hundred ninety-nine".