25434331 has 18 divisors (see below), whose sum is σ = 29320260. Its totient is φ = 21992256.

The previous prime is 25434323. The next prime is 25434337. The reversal of 25434331 is 13343452.

It is not a de Polignac number, because 25434331 - 2³ = 25434323 is a prime.

It is a super-2 number, since 2×25434331² = 1293810386835122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25434296 and 25434305.

It is not an unprimeable number, because it can be changed into a prime (25434337) 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 17 ways as a sum of consecutive naturals, for example, 285735 + ... + 285823.

Almost surely, 2^25434331 is an apocalyptic number.

25434331 is a deficient number, since it is larger than the sum of its proper divisors (3885929).

25434331 is an equidigital number, since it uses as much as digits as its factorization.

25434331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 121 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 25434331 is about 5043.2460776766. The cubic root of 25434331 is about 294.0853832868.

Adding to 25434331 its reverse (13343452), we get a palindrome (38777783).

The spelling of 25434331 in words is "twenty-five million, four hundred thirty-four thousand, three hundred thirty-one".