25252429 has 8 divisors (see below), whose sum is σ = 27077760. Its totient is φ = 23464896.

The previous prime is 25252363. The next prime is 25252439. The reversal of 25252429 is 92425252.

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

It is not a de Polignac number, because 25252429 - 2⁹ = 25251917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25252429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252439) 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, 8059 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (3384720).

Almost surely, 2^25252429 is an apocalyptic number.

It is an amenable number.

25252429 is a deficient number, since it is larger than the sum of its proper divisors (1825331).

25252429 is a wasteful number, since it uses less digits than its factorization.

25252429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18899.

The product of its digits is 14400, while the sum is 31.

The square root of 25252429 is about 5025.1794992816. The cubic root of 25252429 is about 293.3826224280.

The spelling of 25252429 in words is "twenty-five million, two hundred fifty-two thousand, four hundred twenty-nine".