25830523 has 2 divisors, whose sum is σ = 25830524. Its totient is φ = 25830522.

The previous prime is 25830499. The next prime is 25830529. The reversal of 25830523 is 32503852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25830523 - 2¹³ = 25822331 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25830491 and 25830500.

It is not a weakly prime, because it can be changed into another prime (25830529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12915261 + 12915262.

It is an arithmetic number, because the mean of its divisors is an integer number (12915262).

Almost surely, 2^25830523 is an apocalyptic number.

25830523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25830523 is an equidigital number, since it uses as much as digits as its factorization.

25830523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25830523 is about 5082.3737564252. The cubic root of 25830523 is about 295.6045173364.

The spelling of 25830523 in words is "twenty-five million, eight hundred thirty thousand, five hundred twenty-three".