825268505357 has 4 divisors (see below), whose sum is σ = 825547032960. Its totient is φ = 824989977756.

The previous prime is 825268505353. The next prime is 825268505423. The reversal of 825268505357 is 753505862528.

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 825268505357 - 2² = 825268505353 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 (825268505353) 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, 139259357 + ... + 139265282.

It is an arithmetic number, because the mean of its divisors is an integer number (206386758240).

Almost surely, 2^825268505357 is an apocalyptic number.

It is an amenable number.

825268505357 is a deficient number, since it is larger than the sum of its proper divisors (278527603).

825268505357 is a wasteful number, since it uses less digits than its factorization.

825268505357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278527602.

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 825268505357 in words is "eight hundred twenty-five billion, two hundred sixty-eight million, five hundred five thousand, three hundred fifty-seven".