25742250 has 96 divisors (see below), whose sum is σ = 73811088. Its totient is φ = 6451200.

The previous prime is 25742243. The next prime is 25742261. The reversal of 25742250 is 5224752.

It can be written as a sum of positive squares in 8 ways, for example, as 1447209 + 24295041 = 1203^2 + 4929^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37914 + ... + 38586.

Almost surely, 2^25742250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25742250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36905544).

25742250 is an abundant number, since it is smaller than the sum of its proper divisors (48068838).

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

25742250 is a wasteful number, since it uses less digits than its factorization.

25742250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 25742250 is about 5073.6820948893. The cubic root of 25742250 is about 295.2674009403.

The spelling of 25742250 in words is "twenty-five million, seven hundred forty-two thousand, two hundred fifty".