13525234787 has 2 divisors, whose sum is σ = 13525234788. Its totient is φ = 13525234786.

The previous prime is 13525234781. The next prime is 13525234843. The reversal of 13525234787 is 78743252531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13525234787 - 2¹⁰ = 13525233763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13525234781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762617393 + 6762617394.

It is an arithmetic number, because the mean of its divisors is an integer number (6762617394).

Almost surely, 2^13525234787 is an apocalyptic number.

13525234787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525234787 is an equidigital number, since it uses as much as digits as its factorization.

13525234787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 47.

The spelling of 13525234787 in words is "thirteen billion, five hundred twenty-five million, two hundred thirty-four thousand, seven hundred eighty-seven".