525968357 has 8 divisors (see below), whose sum is σ = 540485400. Its totient is φ = 511467264.

The previous prime is 525968353. The next prime is 525968371. The reversal of 525968357 is 753869525.

It is a Cunningham number, because it is equal to 22934²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 470629636 + 55338721 = 21694^2 + 7439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525968357 - 2² = 525968353 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 (525968353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98369 + ... + 103577.

It is an arithmetic number, because the mean of its divisors is an integer number (67560675).

Almost surely, 2^525968357 is an apocalyptic number.

It is an amenable number.

525968357 is a deficient number, since it is larger than the sum of its proper divisors (14517043).

525968357 is a wasteful number, since it uses less digits than its factorization.

525968357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975.

The product of its digits is 2268000, while the sum is 50.

The square root of 525968357 is about 22934.0000218017. Note that the first 4 decimals coincide. The cubic root of 525968357 is about 807.2100104128.

The spelling of 525968357 in words is "five hundred twenty-five million, nine hundred sixty-eight thousand, three hundred fifty-seven".