25051423 has 4 divisors (see below), whose sum is σ = 25584480. Its totient is φ = 24518368.

The previous prime is 25051417. The next prime is 25051469. The reversal of 25051423 is 32415052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25051423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25051394 and 25051403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25051723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266458 + ... + 266551.

It is an arithmetic number, because the mean of its divisors is an integer number (6396120).

Almost surely, 2^25051423 is an apocalyptic number.

25051423 is a deficient number, since it is larger than the sum of its proper divisors (533057).

25051423 is an equidigital number, since it uses as much as digits as its factorization.

25051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533056.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25051423 is about 5005.1396583912. The cubic root of 25051423 is about 292.6021188716.

Adding to 25051423 its reverse (32415052), we get a palindrome (57466475).

The spelling of 25051423 in words is "twenty-five million, fifty-one thousand, four hundred twenty-three".