2530250491 has 2 divisors, whose sum is σ = 2530250492. Its totient is φ = 2530250490.

The previous prime is 2530250483. The next prime is 2530250497. The reversal of 2530250491 is 1940520352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2530250491 - 2³ = 2530250483 is a prime.

It is not a weakly prime, because it can be changed into another prime (2530250497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265125245 + 1265125246.

It is an arithmetic number, because the mean of its divisors is an integer number (1265125246).

Almost surely, 2^2530250491 is an apocalyptic number.

2530250491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530250491 is an equidigital number, since it uses as much as digits as its factorization.

2530250491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2530250491 is about 50301.5953126737. The cubic root of 2530250491 is about 1362.6610404270.

The spelling of 2530250491 in words is "two billion, five hundred thirty million, two hundred fifty thousand, four hundred ninety-one".