25352769331 has 2 divisors, whose sum is σ = 25352769332. Its totient is φ = 25352769330.

The previous prime is 25352769287. The next prime is 25352769373. The reversal of 25352769331 is 13396725352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25352769331 - 2⁷ = 25352769203 is a prime.

It is a super-2 number, since 2×25352769331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25352269331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12676384665 + 12676384666.

It is an arithmetic number, because the mean of its divisors is an integer number (12676384666).

Almost surely, 2^25352769331 is an apocalyptic number.

25352769331 is a deficient number, since it is larger than the sum of its proper divisors (1).

25352769331 is an equidigital number, since it uses as much as digits as its factorization.

25352769331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 46.

The spelling of 25352769331 in words is "twenty-five billion, three hundred fifty-two million, seven hundred sixty-nine thousand, three hundred thirty-one".