25530532583 has 2 divisors, whose sum is σ = 25530532584. Its totient is φ = 25530532582.

The previous prime is 25530532553. The next prime is 25530532591. The reversal of 25530532583 is 38523503552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25530532583 - 2⁸ = 25530532327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25530532583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25530532523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765266291 + 12765266292.

It is an arithmetic number, because the mean of its divisors is an integer number (12765266292).

Almost surely, 2^25530532583 is an apocalyptic number.

25530532583 is a deficient number, since it is larger than the sum of its proper divisors (1).

25530532583 is an equidigital number, since it uses as much as digits as its factorization.

25530532583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 25530532583 in words is "twenty-five billion, five hundred thirty million, five hundred thirty-two thousand, five hundred eighty-three".