25130621363 has 4 divisors (see below), whose sum is σ = 25132435128. Its totient is φ = 25128807600.

The previous prime is 25130621357. The next prime is 25130621401. The reversal of 25130621363 is 36312603152.

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

It is a cyclic number.

It is not a de Polignac number, because 25130621363 - 2¹⁴ = 25130604979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130621063) 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, 885938 + ... + 913863.

It is an arithmetic number, because the mean of its divisors is an integer number (6283108782).

Almost surely, 2^25130621363 is an apocalyptic number.

25130621363 is a deficient number, since it is larger than the sum of its proper divisors (1813765).

25130621363 is a wasteful number, since it uses less digits than its factorization.

25130621363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813764.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 25130621363 in words is "twenty-five billion, one hundred thirty million, six hundred twenty-one thousand, three hundred sixty-three".