25434131 has 8 divisors (see below), whose sum is σ = 26367600. Its totient is φ = 24504480.

The previous prime is 25434127. The next prime is 25434161. The reversal of 25434131 is 13143452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25434131 - 2² = 25434127 is a prime.

It is a super-2 number, since 2×25434131² = 1293790039450322, 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 = 25434097 and 25434106.

It is not an unprimeable number, because it can be changed into a prime (25434121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24401 + ... + 25421.

It is an arithmetic number, because the mean of its divisors is an integer number (3295950).

Almost surely, 2^25434131 is an apocalyptic number.

25434131 is a deficient number, since it is larger than the sum of its proper divisors (933469).

25434131 is a wasteful number, since it uses less digits than its factorization.

25434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909.

The product of its digits is 1440, while the sum is 23.

The square root of 25434131 is about 5043.2262491385. The cubic root of 25434131 is about 294.0846124490.

Adding to 25434131 its reverse (13143452), we get a palindrome (38577583).

The spelling of 25434131 in words is "twenty-five million, four hundred thirty-four thousand, one hundred thirty-one".