25493357 has 2 divisors, whose sum is σ = 25493358. Its totient is φ = 25493356.

The previous prime is 25493341. The next prime is 25493381. The reversal of 25493357 is 75339452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18369796 + 7123561 = 4286^2 + 2669^2 .

It is a cyclic number.

It is not a de Polignac number, because 25493357 - 2⁴ = 25493341 is a prime.

It is a super-2 number, since 2×25493357² = 1299822502258898, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1594793 and since 25493357 and 1594793 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25493357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25493857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746678 + 12746679.

It is an arithmetic number, because the mean of its divisors is an integer number (12746679).

Almost surely, 2^25493357 is an apocalyptic number.

It is an amenable number.

25493357 is a deficient number, since it is larger than the sum of its proper divisors (1).

25493357 is an equidigital number, since it uses as much as digits as its factorization.

25493357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 25493357 is about 5049.0946713248. The cubic root of 25493357 is about 294.3127042897.

The spelling of 25493357 in words is "twenty-five million, four hundred ninety-three thousand, three hundred fifty-seven".