2521107892073 has 2 divisors, whose sum is σ = 2521107892074. Its totient is φ = 2521107892072.

The previous prime is 2521107892021. The next prime is 2521107892081. The reversal of 2521107892073 is 3702987011252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2282419949824 + 238687942249 = 1510768^2 + 488557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521107892073 - 2¹⁶ = 2521107826537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521107898073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260553946036 + 1260553946037.

It is an arithmetic number, because the mean of its divisors is an integer number (1260553946037).

Almost surely, 2^{2521107892073} is an apocalyptic number.

It is an amenable number.

2521107892073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521107892073 is an equidigital number, since it uses as much as digits as its factorization.

2521107892073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 2521107892073 in words is "two trillion, five hundred twenty-one billion, one hundred seven million, eight hundred ninety-two thousand, seventy-three".