25494527 has 2 divisors, whose sum is σ = 25494528. Its totient is φ = 25494526.

The previous prime is 25494481. The next prime is 25494533. The reversal of 25494527 is 72549452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25494527 - 2⁶ = 25494463 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25494587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12747263 + 12747264.

It is an arithmetic number, because the mean of its divisors is an integer number (12747264).

Almost surely, 2^25494527 is an apocalyptic number.

25494527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25494527 is an equidigital number, since it uses as much as digits as its factorization.

25494527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 25494527 is about 5049.2105323506. The cubic root of 25494527 is about 294.3172066469.

The spelling of 25494527 in words is "twenty-five million, four hundred ninety-four thousand, five hundred twenty-seven".