61859299 has 2 divisors, whose sum is σ = 61859300. Its totient is φ = 61859298.

The previous prime is 61859267. The next prime is 61859333. The reversal of 61859299 is 99295816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61859299 - 2⁵ = 61859267 is a prime.

It is not a weakly prime, because it can be changed into another prime (61859249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30929649 + 30929650.

It is an arithmetic number, because the mean of its divisors is an integer number (30929650).

Almost surely, 2^61859299 is an apocalyptic number.

61859299 is a deficient number, since it is larger than the sum of its proper divisors (1).

61859299 is an equidigital number, since it uses as much as digits as its factorization.

61859299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 49.

The square root of 61859299 is about 7865.0682768810. The cubic root of 61859299 is about 395.4895367237.

The spelling of 61859299 in words is "sixty-one million, eight hundred fifty-nine thousand, two hundred ninety-nine".