61336039 has 2 divisors, whose sum is σ = 61336040. Its totient is φ = 61336038.

The previous prime is 61336031. The next prime is 61336043. The reversal of 61336039 is 93063316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61336039 - 2³ = 61336031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61336039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61336031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30668019 + 30668020.

It is an arithmetic number, because the mean of its divisors is an integer number (30668020).

Almost surely, 2^61336039 is an apocalyptic number.

61336039 is a deficient number, since it is larger than the sum of its proper divisors (1).

61336039 is an equidigital number, since it uses as much as digits as its factorization.

61336039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 61336039 is about 7831.7328223070. The cubic root of 61336039 is about 394.3712455910.

The spelling of 61336039 in words is "sixty-one million, three hundred thirty-six thousand, thirty-nine".