25238434 has 16 divisors (see below), whose sum is σ = 40921272. Its totient is φ = 11605248.

The previous prime is 25238413. The next prime is 25238443. The reversal of 25238434 is 43483252.

It can be written as a sum of positive squares in 4 ways, for example, as 25150225 + 88209 = 5015^2 + 297^2 .

It is a super-3 number, since 3×25238434³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25238396 and 25238405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5962 + ... + 9274.

Almost surely, 2^25238434 is an apocalyptic number.

25238434 is a deficient number, since it is larger than the sum of its proper divisors (15682838).

25238434 is a wasteful number, since it uses less digits than its factorization.

25238434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621.

The product of its digits is 23040, while the sum is 31.

The square root of 25238434 is about 5023.7868187255. The cubic root of 25238434 is about 293.3284144607.

The spelling of 25238434 in words is "twenty-five million, two hundred thirty-eight thousand, four hundred thirty-four".