25272243 has 14 divisors (see below), whose sum is σ = 37892124. Its totient is φ = 16847676.

The previous prime is 25272241. The next prime is 25272257. The reversal of 25272243 is 34227252.

It is not a de Polignac number, because 25272243 - 2¹ = 25272241 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (25272241) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 16605 + ... + 18062.

Almost surely, 2^25272243 is an apocalyptic number.

25272243 is a deficient number, since it is larger than the sum of its proper divisors (12619881).

25272243 is an frugal number, since it uses more digits than its factorization.

25272243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34685 (or 34670 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 25272243 is about 5027.1505845757. The cubic root of 25272243 is about 293.4593353593.

Adding to 25272243 its reverse (34227252), we get a palindrome (59499495).

The spelling of 25272243 in words is "twenty-five million, two hundred seventy-two thousand, two hundred forty-three".