1601456039 has 2 divisors, whose sum is σ = 1601456040. Its totient is φ = 1601456038.

The previous prime is 1601456027. The next prime is 1601456041. The reversal of 1601456039 is 9306541061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601456039 - 2¹⁶ = 1601390503 is a prime.

It is a super-2 number, since 2×1601456039² = 5129322889699139042, which contains 22 as substring.

Together with 1601456041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601456099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800728019 + 800728020.

It is an arithmetic number, because the mean of its divisors is an integer number (800728020).

Almost surely, 2^1601456039 is an apocalyptic number.

1601456039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601456039 is an equidigital number, since it uses as much as digits as its factorization.

1601456039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1601456039 is about 40018.1963486612. The cubic root of 1601456039 is about 1169.9617780389.

The spelling of 1601456039 in words is "one billion, six hundred one million, four hundred fifty-six thousand, thirty-nine".