25830499 has 2 divisors, whose sum is σ = 25830500. Its totient is φ = 25830498.

The previous prime is 25830461. The next prime is 25830523. The reversal of 25830499 is 99403852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25830499 - 2²³ = 17441891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25830199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12915249 + 12915250.

It is an arithmetic number, because the mean of its divisors is an integer number (12915250).

Almost surely, 2^25830499 is an apocalyptic number.

25830499 is a deficient number, since it is larger than the sum of its proper divisors (1).

25830499 is an equidigital number, since it uses as much as digits as its factorization.

25830499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 25830499 is about 5082.3713953233. The cubic root of 25830499 is about 295.6044257844.

The spelling of 25830499 in words is "twenty-five million, eight hundred thirty thousand, four hundred ninety-nine".