25315254 has 56 divisors (see below), whose sum is σ = 57841560. Its totient is φ = 8304768.

The previous prime is 25315253. The next prime is 25315273. The reversal of 25315254 is 45251352.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25315253) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 141337 + ... + 141515.

It is an arithmetic number, because the mean of its divisors is an integer number (1032885).

Almost surely, 2^25315254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25315254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28920780).

25315254 is an abundant number, since it is smaller than the sum of its proper divisors (32526306).

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

25315254 is an equidigital number, since it uses as much as digits as its factorization.

25315254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 281 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25315254 is about 5031.4266366509. The cubic root of 25315254 is about 293.6257211415.

The spelling of 25315254 in words is "twenty-five million, three hundred fifteen thousand, two hundred fifty-four".