25136329 has 2 divisors, whose sum is σ = 25136330. Its totient is φ = 25136328.

The previous prime is 25136327. The next prime is 25136341. The reversal of 25136329 is 92363152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 11799225 = 3652^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 25136329 - 2¹ = 25136327 is a prime.

Together with 25136327, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25136329.

It is not a weakly prime, because it can be changed into another prime (25136327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12568164 + 12568165.

It is an arithmetic number, because the mean of its divisors is an integer number (12568165).

Almost surely, 2^25136329 is an apocalyptic number.

It is an amenable number.

25136329 is a deficient number, since it is larger than the sum of its proper divisors (1).

25136329 is an equidigital number, since it uses as much as digits as its factorization.

25136329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 25136329 is about 5013.6143649068. The cubic root of 25136329 is about 292.9323151635.

The spelling of 25136329 in words is "twenty-five million, one hundred thirty-six thousand, three hundred twenty-nine".