25469229 has 4 divisors (see below), whose sum is σ = 33958976. Its totient is φ = 16979484.

The previous prime is 25469207. The next prime is 25469231. The reversal of 25469229 is 92296452.

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 not a de Polignac number, because 25469229 - 2²¹ = 23372077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25469299) 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, 4244869 + ... + 4244874.

It is an arithmetic number, because the mean of its divisors is an integer number (8489744).

Almost surely, 2^25469229 is an apocalyptic number.

It is an amenable number.

25469229 is a deficient number, since it is larger than the sum of its proper divisors (8489747).

25469229 is an equidigital number, since it uses as much as digits as its factorization.

25469229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489746.

The product of its digits is 77760, while the sum is 39.

The square root of 25469229 is about 5046.7047664788. The cubic root of 25469229 is about 294.2198249513.

The spelling of 25469229 in words is "twenty-five million, four hundred sixty-nine thousand, two hundred twenty-nine".