25398353 has 2 divisors, whose sum is σ = 25398354. Its totient is φ = 25398352.

The previous prime is 25398341. The next prime is 25398367. The reversal of 25398353 is 35389352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16589329 + 8809024 = 4073^2 + 2968^2 .

It is a cyclic number.

It is not a de Polignac number, because 25398353 - 2¹⁰ = 25397329 is a prime.

It is a super-2 number, since 2×25398353² = 1290152670225218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25398313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12699176 + 12699177.

It is an arithmetic number, because the mean of its divisors is an integer number (12699177).

Almost surely, 2^25398353 is an apocalyptic number.

It is an amenable number.

25398353 is a deficient number, since it is larger than the sum of its proper divisors (1).

25398353 is an equidigital number, since it uses as much as digits as its factorization.

25398353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 25398353 is about 5039.6778666895. The cubic root of 25398353 is about 293.9466522051.

Subtracting 25398353 from its reverse (35389352), we obtain a palindrome (9990999).

The spelling of 25398353 in words is "twenty-five million, three hundred ninety-eight thousand, three hundred fifty-three".