25354529 has 2 divisors, whose sum is σ = 25354530. Its totient is φ = 25354528.

The previous prime is 25354513. The next prime is 25354543. The reversal of 25354529 is 92545352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 204304 = 5015^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 25354529 - 2⁴ = 25354513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25354229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677264 + 12677265.

It is an arithmetic number, because the mean of its divisors is an integer number (12677265).

Almost surely, 2^25354529 is an apocalyptic number.

It is an amenable number.

25354529 is a deficient number, since it is larger than the sum of its proper divisors (1).

25354529 is an equidigital number, since it uses as much as digits as its factorization.

25354529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 25354529 is about 5035.3280925874. The cubic root of 25354529 is about 293.7774898674. Note that the first 3 decimals are identical.

The spelling of 25354529 in words is "twenty-five million, three hundred fifty-four thousand, five hundred twenty-nine".