525444426 has 24 divisors (see below), whose sum is σ = 1226037540. Its totient is φ = 161675136.

The previous prime is 525444421. The next prime is 525444461. The reversal of 525444426 is 624444525.

525444426 is a `hidden beast` number, since 52 + 544 + 44 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 413105625 + 112338801 = 20325^2 + 10599^2 .

It is not an unprimeable number, because it can be changed into a prime (525444421) 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, 1122511 + ... + 1122978.

Almost surely, 2^525444426 is an apocalyptic number.

525444426 is an abundant number, since it is smaller than the sum of its proper divisors (700593114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525444426 is a wasteful number, since it uses less digits than its factorization.

525444426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245510 (or 2245507 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 525444426 is about 22922.5745936184. The cubic root of 525444426 is about 806.9418936157.

Subtracting 525444426 from its reverse (624444525), we obtain a palindrome (99000099).

The spelling of 525444426 in words is "five hundred twenty-five million, four hundred forty-four thousand, four hundred twenty-six".