525265744243 has 2 divisors, whose sum is σ = 525265744244. Its totient is φ = 525265744242.

The previous prime is 525265744217. The next prime is 525265744271. The reversal of 525265744243 is 342447562525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525265744243 is a prime.

It is not a weakly prime, because it can be changed into another prime (525265744943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262632872121 + 262632872122.

It is an arithmetic number, because the mean of its divisors is an integer number (262632872122).

Almost surely, 2^525265744243 is an apocalyptic number.

525265744243 is a deficient number, since it is larger than the sum of its proper divisors (1).

525265744243 is an equidigital number, since it uses as much as digits as its factorization.

525265744243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 49.

The spelling of 525265744243 in words is "five hundred twenty-five billion, two hundred sixty-five million, seven hundred forty-four thousand, two hundred forty-three".