2539897067 has 8 divisors (see below), whose sum is σ = 2675016000. Its totient is φ = 2404922184.

The previous prime is 2539897013. The next prime is 2539897081. The reversal of 2539897067 is 7607989352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2539897067 - 2²⁸ = 2271461611 is a prime.

It is a super-2 number, since 2×2539897067² = 12902154221910404978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2539897007) 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 in 7 ways as a sum of consecutive naturals, for example, 1184 + ... + 71282.

It is an arithmetic number, because the mean of its divisors is an integer number (334377000).

Almost surely, 2^2539897067 is an apocalyptic number.

2539897067 is a deficient number, since it is larger than the sum of its proper divisors (135118933).

2539897067 is a wasteful number, since it uses less digits than its factorization.

2539897067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72025.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The square root of 2539897067 is about 50397.3914701942. The cubic root of 2539897067 is about 1364.3905587117.

The spelling of 2539897067 in words is "two billion, five hundred thirty-nine million, eight hundred ninety-seven thousand, sixty-seven".