25430051 has 8 divisors (see below), whose sum is σ = 25903104. Its totient is φ = 24959880.

The previous prime is 25430039. The next prime is 25430081. The reversal of 25430051 is 15003452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25430051 - 2¹⁸ = 25167907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25430081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25166 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (3237888).

Almost surely, 2^25430051 is an apocalyptic number.

25430051 is a deficient number, since it is larger than the sum of its proper divisors (473053).

25430051 is an equidigital number, since it uses as much as digits as its factorization.

25430051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25430051 is about 5042.8217299445. The cubic root of 25430051 is about 294.0688864758.

The spelling of 25430051 in words is "twenty-five million, four hundred thirty thousand, fifty-one".