525255254989 has 2 divisors, whose sum is σ = 525255254990. Its totient is φ = 525255254988.

The previous prime is 525255254917. The next prime is 525255255029. The reversal of 525255254989 is 989452552525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520826352489 + 4428902500 = 721683^2 + 66550^2 .

It is a cyclic number.

It is not a de Polignac number, because 525255254989 - 2⁹ = 525255254477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525255254189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262627627494 + 262627627495.

It is an arithmetic number, because the mean of its divisors is an integer number (262627627495).

Almost surely, 2^525255254989 is an apocalyptic number.

It is an amenable number.

525255254989 is a deficient number, since it is larger than the sum of its proper divisors (1).

525255254989 is an equidigital number, since it uses as much as digits as its factorization.

525255254989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800000, while the sum is 61.

The spelling of 525255254989 in words is "five hundred twenty-five billion, two hundred fifty-five million, two hundred fifty-four thousand, nine hundred eighty-nine".