25227500 has 30 divisors (see below), whose sum is σ = 55172964. Its totient is φ = 10090000.

The previous prime is 25227491. The next prime is 25227547. The reversal of 25227500 is 572252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2546 + ... + 7545.

Almost surely, 2^25227500 is an apocalyptic number.

25227500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25227500 is an abundant number, since it is smaller than the sum of its proper divisors (29945464).

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

25227500 is a wasteful number, since it uses less digits than its factorization.

25227500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 25227500 is about 5022.6984779101. The cubic root of 25227500 is about 293.2860489669.

Adding to 25227500 its reverse (572252), we get a palindrome (25799752).

The spelling of 25227500 in words is "twenty-five million, two hundred twenty-seven thousand, five hundred".