525250430245 has 4 divisors (see below), whose sum is σ = 630300516300. Its totient is φ = 420200344192.

The previous prime is 525250430197. The next prime is 525250430249. The reversal of 525250430245 is 542034052525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229403639521 + 295846790724 = 478961^2 + 543918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525250430245 is a prime.

It is a super-2 number, since 2×525250430245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525250430249) 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, 52525043020 + ... + 52525043029.

It is an arithmetic number, because the mean of its divisors is an integer number (157575129075).

Almost surely, 2^525250430245 is an apocalyptic number.

It is an amenable number.

525250430245 is a deficient number, since it is larger than the sum of its proper divisors (105050086055).

525250430245 is a wasteful number, since it uses less digits than its factorization.

525250430245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105050086054.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 525250430245 in words is "five hundred twenty-five billion, two hundred fifty million, four hundred thirty thousand, two hundred forty-five".