525302345 has 8 divisors (see below), whose sum is σ = 642256776. Its totient is φ = 412312576.

The previous prime is 525302321. The next prime is 525302377. The reversal of 525302345 is 543203525.

It can be written as a sum of positive squares in 4 ways, for example, as 24482704 + 500819641 = 4948^2 + 22379^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525302345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990872 + ... + 991401.

It is an arithmetic number, because the mean of its divisors is an integer number (80282097).

Almost surely, 2^525302345 is an apocalyptic number.

It is an amenable number.

525302345 is a deficient number, since it is larger than the sum of its proper divisors (116954431).

525302345 is a wasteful number, since it uses less digits than its factorization.

525302345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982331.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 525302345 is about 22919.4752339577. The cubic root of 525302345 is about 806.8691542729.

The spelling of 525302345 in words is "five hundred twenty-five million, three hundred two thousand, three hundred forty-five".