25280330527 has 2 divisors, whose sum is σ = 25280330528. Its totient is φ = 25280330526.

The previous prime is 25280330521. The next prime is 25280330591. The reversal of 25280330527 is 72503308252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25280330527 - 2³ = 25280330519 is a prime.

It is a super-2 number, since 2×25280330527² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25280330521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640165263 + 12640165264.

It is an arithmetic number, because the mean of its divisors is an integer number (12640165264).

Almost surely, 2^25280330527 is an apocalyptic number.

25280330527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280330527 is an equidigital number, since it uses as much as digits as its factorization.

25280330527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 25280330527 its reverse (72503308252), we get a palindrome (97783638779).

The spelling of 25280330527 in words is "twenty-five billion, two hundred eighty million, three hundred thirty thousand, five hundred twenty-seven".