25412429 has 6 divisors (see below), whose sum is σ = 29561454. Its totient is φ = 21782040.

The previous prime is 25412419. The next prime is 25412459. The reversal of 25412429 is 92421452.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 362404 = 5005^2 + 602^2 .

It is not a de Polignac number, because 25412429 - 2¹² = 25408333 is a prime.

It is a super-3 number, since 3×25412429³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25412419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259262 + ... + 259359.

It is an arithmetic number, because the mean of its divisors is an integer number (4926909).

Almost surely, 2^25412429 is an apocalyptic number.

It is an amenable number.

25412429 is a deficient number, since it is larger than the sum of its proper divisors (4149025).

25412429 is an equidigital number, since it uses as much as digits as its factorization.

25412429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518635 (or 518628 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 25412429 is about 5041.0741910827. The cubic root of 25412429 is about 294.0009448193. Note that the first 3 decimals are identical.

The spelling of 25412429 in words is "twenty-five million, four hundred twelve thousand, four hundred twenty-nine".