25321379333 has 2 divisors, whose sum is σ = 25321379334. Its totient is φ = 25321379332.

The previous prime is 25321379327. The next prime is 25321379357. The reversal of 25321379333 is 33397312352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14448520804 + 10872858529 = 120202^2 + 104273^2 .

It is a cyclic number.

It is not a de Polignac number, because 25321379333 - 2³⁰ = 24247637509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25321319333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12660689666 + 12660689667.

It is an arithmetic number, because the mean of its divisors is an integer number (12660689667).

Almost surely, 2^25321379333 is an apocalyptic number.

It is an amenable number.

25321379333 is a deficient number, since it is larger than the sum of its proper divisors (1).

25321379333 is an equidigital number, since it uses as much as digits as its factorization.

25321379333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 41.

The spelling of 25321379333 in words is "twenty-five billion, three hundred twenty-one million, three hundred seventy-nine thousand, three hundred thirty-three".