2025279391 has 2 divisors, whose sum is σ = 2025279392. Its totient is φ = 2025279390.

The previous prime is 2025279359. The next prime is 2025279463. The reversal of 2025279391 is 1939725202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2025279391 - 2⁵ = 2025279359 is a prime.

It is a super-2 number, since 2×2025279391² = 8203513223218661762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2025279791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012639695 + 1012639696.

It is an arithmetic number, because the mean of its divisors is an integer number (1012639696).

Almost surely, 2^2025279391 is an apocalyptic number.

2025279391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025279391 is an equidigital number, since it uses as much as digits as its factorization.

2025279391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2025279391 is about 45003.1042373746. The cubic root of 2025279391 is about 1265.2071798438.

The spelling of 2025279391 in words is "two billion, twenty-five million, two hundred seventy-nine thousand, three hundred ninety-one".