524400001 has 4 divisors (see below), whose sum is σ = 538573012. Its totient is φ = 510226992.

The previous prime is 524399983. The next prime is 524400029. The reversal of 524400001 is 100004425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206669376 + 317730625 = 14376^2 + 17825^2 .

It is a cyclic number.

It is not a de Polignac number, because 524400001 - 2¹⁷ = 524268929 is a prime.

It is a super-2 number, since 2×524400001² = 549990722097600002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524400031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7086450 + ... + 7086523.

It is an arithmetic number, because the mean of its divisors is an integer number (134643253).

Almost surely, 2^524400001 is an apocalyptic number.

It is an amenable number.

524400001 is a deficient number, since it is larger than the sum of its proper divisors (14173011).

524400001 is a wasteful number, since it uses less digits than its factorization.

524400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14173010.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 524400001 is about 22899.7816801820. The cubic root of 524400001 is about 806.4068866342.

Adding to 524400001 its reverse (100004425), we get a palindrome (624404426).

The spelling of 524400001 in words is "five hundred twenty-four million, four hundred thousand, one".