25034427 has 20 divisors (see below), whose sum is σ = 40798296. Its totient is φ = 15171840.

The previous prime is 25034417. The next prime is 25034447. The reversal of 25034427 is 72443052.

It is not a de Polignac number, because 25034427 - 2⁴ = 25034411 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25034427.

It is not an unprimeable number, because it can be changed into a prime (25034417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13158 + ... + 14939.

Almost surely, 2^25034427 is an apocalyptic number.

25034427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25034427 is a deficient number, since it is larger than the sum of its proper divisors (15763869).

25034427 is a wasteful number, since it uses less digits than its factorization.

25034427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28120 (or 28111 counting only the distinct ones).

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

The square root of 25034427 is about 5003.4415155970. The cubic root of 25034427 is about 292.5359324693.

Adding to 25034427 its reverse (72443052), we get a palindrome (97477479).

The spelling of 25034427 in words is "twenty-five million, thirty-four thousand, four hundred twenty-seven".