25263738 has 48 divisors (see below), whose sum is σ = 57264480. Its totient is φ = 8347536.

The previous prime is 25263731. The next prime is 25263773. The reversal of 25263738 is 83736252.

It is not an unprimeable number, because it can be changed into a prime (25263731) 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, 110208 + ... + 110436.

It is an arithmetic number, because the mean of its divisors is an integer number (1193010).

Almost surely, 2^25263738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25263738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28632240).

25263738 is an abundant number, since it is smaller than the sum of its proper divisors (32000742).

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

25263738 is a wasteful number, since it uses less digits than its factorization.

25263738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 461 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25263738 is about 5026.3046067663. The cubic root of 25263738 is about 293.4264118645.

The spelling of 25263738 in words is "twenty-five million, two hundred sixty-three thousand, seven hundred thirty-eight".