25951339 has 2 divisors, whose sum is σ = 25951340. Its totient is φ = 25951338.

The previous prime is 25951271. The next prime is 25951351. The reversal of 25951339 is 93315952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25951339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25951298 and 25951307.

It is not a weakly prime, because it can be changed into another prime (25951399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12975669 + 12975670.

It is an arithmetic number, because the mean of its divisors is an integer number (12975670).

Almost surely, 2^25951339 is an apocalyptic number.

25951339 is a deficient number, since it is larger than the sum of its proper divisors (1).

25951339 is an equidigital number, since it uses as much as digits as its factorization.

25951339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 37.

The square root of 25951339 is about 5094.2456752693. The cubic root of 25951339 is about 296.0646734445.

The spelling of 25951339 in words is "twenty-five million, nine hundred fifty-one thousand, three hundred thirty-nine".