525788324461 has 4 divisors (see below), whose sum is σ = 525790021792. Its totient is φ = 525786627132.

The previous prime is 525788324443. The next prime is 525788324531. The reversal of 525788324461 is 164423887525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525788324461 - 2¹¹ = 525788322413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525788324431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237105 + ... + 1052518.

It is an arithmetic number, because the mean of its divisors is an integer number (131447505448).

Almost surely, 2^525788324461 is an apocalyptic number.

It is an amenable number.

525788324461 is a deficient number, since it is larger than the sum of its proper divisors (1697331).

525788324461 is a wasteful number, since it uses less digits than its factorization.

525788324461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697330.

The product of its digits is 12902400, while the sum is 55.

The spelling of 525788324461 in words is "five hundred twenty-five billion, seven hundred eighty-eight million, three hundred twenty-four thousand, four hundred sixty-one".