525254445 has 12 divisors (see below), whose sum is σ = 910441116. Its totient is φ = 280135680.

The previous prime is 525254419. The next prime is 525254447. The reversal of 525254445 is 544452525.

525254445 is a `hidden beast` number, since 52 + 525 + 44 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122810724 + 402443721 = 11082^2 + 20061^2 .

It is not a de Polignac number, because 525254445 - 2⁵ = 525254413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525254447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5836116 + ... + 5836205.

It is an arithmetic number, because the mean of its divisors is an integer number (75870093).

Almost surely, 2^525254445 is an apocalyptic number.

It is an amenable number.

525254445 is a deficient number, since it is larger than the sum of its proper divisors (385186671).

525254445 is a wasteful number, since it uses less digits than its factorization.

525254445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672332 (or 11672329 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 525254445 is about 22918.4302472922. The cubic root of 525254445 is about 806.8446285830.

The spelling of 525254445 in words is "five hundred twenty-five million, two hundred fifty-four thousand, four hundred forty-five".