25430700267053 has 4 divisors (see below), whose sum is σ = 25439676867228. Its totient is φ = 25421723666880.

The previous prime is 25430700267019. The next prime is 25430700267083. The reversal of 25430700267053 is 35076200703452.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16423096661764 + 9007603605289 = 4052542^2 + 3001267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25430700267053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25430700266995 and 25430700267013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430700267083) 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, 4488295838 + ... + 4488301503.

It is an arithmetic number, because the mean of its divisors is an integer number (6359919216807).

Almost surely, 2^{25430700267053} is an apocalyptic number.

It is an amenable number.

25430700267053 is a deficient number, since it is larger than the sum of its proper divisors (8976600175).

25430700267053 is an equidigital number, since it uses as much as digits as its factorization.

25430700267053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976600174.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 25430700267053 in words is "twenty-five trillion, four hundred thirty billion, seven hundred million, two hundred sixty-seven thousand, fifty-three".