25412427 has 8 divisors (see below), whose sum is σ = 37648080. Its totient is φ = 16941600.

The previous prime is 25412419. The next prime is 25412459. The reversal of 25412427 is 72421452.

It is not a de Polignac number, because 25412427 - 2³ = 25412419 is a prime.

It is a super-3 number, since 3×25412427³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 941201 = 25412427 / (2 + 5 + 4 + 1 + 2 + 4 + 2 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 25412427.

It is not an unprimeable number, because it can be changed into a prime (25412227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470574 + ... + 470627.

It is an arithmetic number, because the mean of its divisors is an integer number (4706010).

Almost surely, 2^25412427 is an apocalyptic number.

25412427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25412427 is a deficient number, since it is larger than the sum of its proper divisors (12235653).

25412427 is an equidigital number, since it uses as much as digits as its factorization.

25412427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941210 (or 941204 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 25412427 is about 5041.0739927123. The cubic root of 25412427 is about 294.0009371066. Note that the first 3 decimals are identical.

Adding to 25412427 its reverse (72421452), we get a palindrome (97833879).

The spelling of 25412427 in words is "twenty-five million, four hundred twelve thousand, four hundred twenty-seven".