61304359 has 2 divisors, whose sum is σ = 61304360. Its totient is φ = 61304358.

The previous prime is 61304351. The next prime is 61304371. The reversal of 61304359 is 95340316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61304359 - 2³ = 61304351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61304359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61304351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30652179 + 30652180.

It is an arithmetic number, because the mean of its divisors is an integer number (30652180).

Almost surely, 2^61304359 is an apocalyptic number.

61304359 is a deficient number, since it is larger than the sum of its proper divisors (1).

61304359 is an equidigital number, since it uses as much as digits as its factorization.

61304359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 61304359 is about 7829.7100201732. The cubic root of 61304359 is about 394.3033364527.

The spelling of 61304359 in words is "sixty-one million, three hundred four thousand, three hundred fifty-nine".