25493527 has 2 divisors, whose sum is σ = 25493528. Its totient is φ = 25493526.

The previous prime is 25493521. The next prime is 25493551. The reversal of 25493527 is 72539452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25493527 - 2³ = 25493519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25493521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746763 + 12746764.

It is an arithmetic number, because the mean of its divisors is an integer number (12746764).

Almost surely, 2^25493527 is an apocalyptic number.

25493527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25493527 is an equidigital number, since it uses as much as digits as its factorization.

25493527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 25493527 is about 5049.1115059979. Note that the first 3 decimals coincide. The cubic root of 25493527 is about 294.3133584869.

The spelling of 25493527 in words is "twenty-five million, four hundred ninety-three thousand, five hundred twenty-seven".