525361945 has 8 divisors (see below), whose sum is σ = 630975240. Its totient is φ = 419928960.

The previous prime is 525361943. The next prime is 525362009. The reversal of 525361945 is 549163525.

It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 327031056 = 14083^2 + 18084^2 .

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

It is not a de Polignac number, because 525361945 - 2¹ = 525361943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525361898 and 525361907.

It is not an unprimeable number, because it can be changed into a prime (525361943) 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, 38580 + ... + 50389.

It is an arithmetic number, because the mean of its divisors is an integer number (78871905).

Almost surely, 2^525361945 is an apocalyptic number.

It is an amenable number.

525361945 is a deficient number, since it is larger than the sum of its proper divisors (105613295).

525361945 is a wasteful number, since it uses less digits than its factorization.

525361945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90155.

The product of its digits is 162000, while the sum is 40.

The square root of 525361945 is about 22920.7754013690. The cubic root of 525361945 is about 806.8996684986.

The spelling of 525361945 in words is "five hundred twenty-five million, three hundred sixty-one thousand, nine hundred forty-five".