61602379 has 2 divisors, whose sum is σ = 61602380. Its totient is φ = 61602378.

The previous prime is 61602367. The next prime is 61602397. The reversal of 61602379 is 97320616.

Together with next prime (61602397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61602379 - 2⁵ = 61602347 is a prime.

It is not a weakly prime, because it can be changed into another prime (61602479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30801189 + 30801190.

It is an arithmetic number, because the mean of its divisors is an integer number (30801190).

Almost surely, 2^61602379 is an apocalyptic number.

61602379 is a deficient number, since it is larger than the sum of its proper divisors (1).

61602379 is an equidigital number, since it uses as much as digits as its factorization.

61602379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 61602379 is about 7848.7183030097. The cubic root of 61602379 is about 394.9412485390.

The spelling of 61602379 in words is "sixty-one million, six hundred two thousand, three hundred seventy-nine".