61202399 has 2 divisors, whose sum is σ = 61202400. Its totient is φ = 61202398.

The previous prime is 61202389. The next prime is 61202419. The reversal of 61202399 is 99320216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61202399 - 2⁸ = 61202143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61202389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30601199 + 30601200.

It is an arithmetic number, because the mean of its divisors is an integer number (30601200).

Almost surely, 2^61202399 is an apocalyptic number.

61202399 is a deficient number, since it is larger than the sum of its proper divisors (1).

61202399 is an equidigital number, since it uses as much as digits as its factorization.

61202399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 61202399 is about 7823.1962138246. The cubic root of 61202399 is about 394.0846164042.

The spelling of 61202399 in words is "sixty-one million, two hundred two thousand, three hundred ninety-nine".