25030030253 has 4 divisors (see below), whose sum is σ = 25288071900. Its totient is φ = 24771988608.

The previous prime is 25030030243. The next prime is 25030030283. The reversal of 25030030253 is 35203003052.

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 16915083364 + 8114946889 = 130058^2 + 90083^2 .

It is a cyclic number.

It is not a de Polignac number, because 25030030253 - 2¹² = 25030026157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25030030243) 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, 129020678 + ... + 129020871.

It is an arithmetic number, because the mean of its divisors is an integer number (6322017975).

Almost surely, 2^25030030253 is an apocalyptic number.

It is an amenable number.

25030030253 is a deficient number, since it is larger than the sum of its proper divisors (258041647).

25030030253 is an equidigital number, since it uses as much as digits as its factorization.

25030030253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258041646.

The product of its (nonzero) digits is 2700, while the sum is 23.

The spelling of 25030030253 in words is "twenty-five billion, thirty million, thirty thousand, two hundred fifty-three".