525430445 has 8 divisors (see below), whose sum is σ = 630643320. Its totient is φ = 420259840.

The previous prime is 525430429. The next prime is 525430489. The reversal of 525430445 is 544034525.

It can be written as a sum of positive squares in 4 ways, for example, as 19945156 + 505485289 = 4466^2 + 22483^2 .

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

It is not a de Polignac number, because 525430445 - 2⁴ = 525430429 is a prime.

It is a Curzon number.

It is a congruent 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, 33485 + ... + 46605.

It is an arithmetic number, because the mean of its divisors is an integer number (78830415).

Almost surely, 2^525430445 is an apocalyptic number.

It is an amenable number.

525430445 is a deficient number, since it is larger than the sum of its proper divisors (105212875).

525430445 is a wasteful number, since it uses less digits than its factorization.

525430445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 525430445 is about 22922.2696302090. The cubic root of 525430445 is about 806.9347365286.

The spelling of 525430445 in words is "five hundred twenty-five million, four hundred thirty thousand, four hundred forty-five".