25054434 has 40 divisors (see below), whose sum is σ = 58087260. Its totient is φ = 8061984.

The previous prime is 25054427. The next prime is 25054459. The reversal of 25054434 is 43445052.

It can be written as a sum of positive squares in 2 ways, for example, as 21650409 + 3404025 = 4653^2 + 1845^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25054398 and 25054407.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2032 + ... + 7364.

Almost surely, 2^25054434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25054434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29043630).

25054434 is an abundant number, since it is smaller than the sum of its proper divisors (33032826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25054434 is a wasteful number, since it uses less digits than its factorization.

25054434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 25054434 is about 5005.4404401611. The cubic root of 25054434 is about 292.6138412887.

Adding to 25054434 its reverse (43445052), we get a palindrome (68499486).

The spelling of 25054434 in words is "twenty-five million, fifty-four thousand, four hundred thirty-four".