25400050 has 48 divisors (see below), whose sum is σ = 53121600. Its totient is φ = 8965440.

The previous prime is 25400047. The next prime is 25400051. The reversal of 25400050 is 5000452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25399997 and 25400033.

It is not an unprimeable number, because it can be changed into a prime (25400051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14101 + ... + 15799.

It is an arithmetic number, because the mean of its divisors is an integer number (1106700).

Almost surely, 2^25400050 is an apocalyptic number.

25400050 is an abundant number, since it is smaller than the sum of its proper divisors (27721550).

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

25400050 is a wasteful number, since it uses less digits than its factorization.

25400050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 25400050 is about 5039.8462278129. The cubic root of 25400050 is about 293.9531987760.

The spelling of 25400050 in words is "twenty-five million, four hundred thousand, fifty".