525823999997 has 2 divisors, whose sum is σ = 525823999998. Its totient is φ = 525823999996.

The previous prime is 525823999951. The next prime is 525824000003. The reversal of 525823999997 is 799999328525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511061992996 + 14762007001 = 714886^2 + 121499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525823999997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525823999937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262911999998 + 262911999999.

It is an arithmetic number, because the mean of its divisors is an integer number (262911999999).

Almost surely, 2^525823999997 is an apocalyptic number.

It is an amenable number.

525823999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

525823999997 is an equidigital number, since it uses as much as digits as its factorization.

525823999997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 992023200, while the sum is 77.

The spelling of 525823999997 in words is "five hundred twenty-five billion, eight hundred twenty-three million, nine hundred ninety-nine thousand, nine hundred ninety-seven".