25430053 has 4 divisors (see below), whose sum is σ = 27741888. Its totient is φ = 23118220.

The previous prime is 25430039. The next prime is 25430081. The reversal of 25430053 is 35003452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25430053 - 2⁹ = 25429541 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430023) 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 3 ways as a sum of consecutive naturals, for example, 1155901 + ... + 1155922.

It is an arithmetic number, because the mean of its divisors is an integer number (6935472).

Almost surely, 2^25430053 is an apocalyptic number.

It is an amenable number.

25430053 is a deficient number, since it is larger than the sum of its proper divisors (2311835).

25430053 is a wasteful number, since it uses less digits than its factorization.

25430053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311834.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 25430053 is about 5042.8219282461. The cubic root of 25430053 is about 294.0688941851.

The spelling of 25430053 in words is "twenty-five million, four hundred thirty thousand, fifty-three".