525013442 has 8 divisors (see below), whose sum is σ = 802379196. Its totient is φ = 257553712.

The previous prime is 525013417. The next prime is 525013483. The reversal of 525013442 is 244310525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 509811241 + 15202201 = 22579^2 + 3899^2 .

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

It is a super-2 number, since 2×525013442² = 551278228561374728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2476373 + ... + 2476584.

Almost surely, 2^525013442 is an apocalyptic number.

525013442 is a deficient number, since it is larger than the sum of its proper divisors (277365754).

525013442 is a wasteful number, since it uses less digits than its factorization.

525013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953012.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 525013442 is about 22913.1718013897. The cubic root of 525013442 is about 806.7212079401.

Adding to 525013442 its reverse (244310525), we get a palindrome (769323967).

The spelling of 525013442 in words is "five hundred twenty-five million, thirteen thousand, four hundred forty-two".