25352236 has 72 divisors (see below), whose sum is σ = 58246496. Its totient is φ = 9400320.

The previous prime is 25352231. The next prime is 25352263. The reversal of 25352236 is 63225352.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (25352231) 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, 105076 + ... + 105316.

Almost surely, 2^25352236 is an apocalyptic number.

25352236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25352236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29123248).

25352236 is an abundant number, since it is smaller than the sum of its proper divisors (32894260).

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

25352236 is a wasteful number, since it uses less digits than its factorization.

25352236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 280 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 25352236 is about 5035.1003962185. The cubic root of 25352236 is about 293.7686334340.

Adding to 25352236 its reverse (63225352), we get a palindrome (88577588).

The spelling of 25352236 in words is "twenty-five million, three hundred fifty-two thousand, two hundred thirty-six".