25369893 has 6 divisors (see below), whose sum is σ = 36645414. Its totient is φ = 16913256.

The previous prime is 25369889. The next prime is 25369907. The reversal of 25369893 is 39896352.

It can be written as a sum of positive squares in only one way, i.e., 24383844 + 986049 = 4938^2 + 993^2 .

It is not a de Polignac number, because 25369893 - 2² = 25369889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25369843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1409430 + ... + 1409447.

It is an arithmetic number, because the mean of its divisors is an integer number (6107569).

Almost surely, 2^25369893 is an apocalyptic number.

It is an amenable number.

25369893 is a deficient number, since it is larger than the sum of its proper divisors (11275521).

25369893 is a wasteful number, since it uses less digits than its factorization.

25369893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818883 (or 2818880 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 25369893 is about 5036.8534820858. The cubic root of 25369893 is about 293.8368176764.

It can be divided in two parts, 25369 and 893, that added together give a palindrome (26262).

The spelling of 25369893 in words is "twenty-five million, three hundred sixty-nine thousand, eight hundred ninety-three".