25140150 has 144 divisors (see below), whose sum is σ = 80780544. Its totient is φ = 5480640.

The previous prime is 25140149. The next prime is 25140197. The reversal of 25140150 is 5104152.

25140150 is a `hidden beast` number, since 2 + 514 + 0 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72277 + ... + 72623.

It is an arithmetic number, because the mean of its divisors is an integer number (560976).

Almost surely, 2^25140150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25140150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40390272).

25140150 is an abundant number, since it is smaller than the sum of its proper divisors (55640394).

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

25140150 is a wasteful number, since it uses less digits than its factorization.

25140150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 25140150 is about 5013.9954128419. The cubic root of 25140150 is about 292.9471573953.

It can be divided in two parts, 251 and 40150, that added together give a square (40401 = 201²).

The spelling of 25140150 in words is "twenty-five million, one hundred forty thousand, one hundred fifty".