25514513 has 2 divisors, whose sum is σ = 25514514. Its totient is φ = 25514512.

The previous prime is 25514509. The next prime is 25514527. The reversal of 25514513 is 31541552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21049744 + 4464769 = 4588^2 + 2113^2 .

It is a cyclic number.

It is not a de Polignac number, because 25514513 - 2² = 25514509 is a prime.

It is not a weakly prime, because it can be changed into another prime (25514413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12757256 + 12757257.

It is an arithmetic number, because the mean of its divisors is an integer number (12757257).

Almost surely, 2^25514513 is an apocalyptic number.

It is an amenable number.

25514513 is a deficient number, since it is larger than the sum of its proper divisors (1).

25514513 is an equidigital number, since it uses as much as digits as its factorization.

25514513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 26.

The square root of 25514513 is about 5051.1892659056. The cubic root of 25514513 is about 294.3940948783.

The spelling of 25514513 in words is "twenty-five million, five hundred fourteen thousand, five hundred thirteen".