25295129 has 4 divisors (see below), whose sum is σ = 25723920. Its totient is φ = 24866340.

The previous prime is 25295117. The next prime is 25295141. The reversal of 25295129 is 92159252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25295117) and next prime (25295141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25295129 is a prime.

It is a super-2 number, since 2×25295129² = 1279687102253282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25295189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214307 + ... + 214424.

It is an arithmetic number, because the mean of its divisors is an integer number (6430980).

Almost surely, 2^25295129 is an apocalyptic number.

It is an amenable number.

25295129 is a deficient number, since it is larger than the sum of its proper divisors (428791).

25295129 is an equidigital number, since it uses as much as digits as its factorization.

25295129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428790.

The product of its digits is 16200, while the sum is 35.

The square root of 25295129 is about 5029.4263092325. The cubic root of 25295129 is about 293.5478921216.

The spelling of 25295129 in words is "twenty-five million, two hundred ninety-five thousand, one hundred twenty-nine".