532686401 has 4 divisors (see below), whose sum is σ = 573662292. Its totient is φ = 491710512.

The previous prime is 532686383. The next prime is 532686421. The reversal of 532686401 is 104686235.

It is a Cunningham number, because it is equal to 23080²+1.

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 78783376 + 453903025 = 8876^2 + 21305^2 .

It is a cyclic number.

It is not a de Polignac number, because 532686401 - 2¹⁸ = 532424257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532686421) 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, 20487926 + ... + 20487951.

It is an arithmetic number, because the mean of its divisors is an integer number (143415573).

Almost surely, 2^532686401 is an apocalyptic number.

It is an amenable number.

532686401 is a deficient number, since it is larger than the sum of its proper divisors (40975891).

532686401 is a wasteful number, since it uses less digits than its factorization.

532686401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40975890.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 532686401 is about 23080.0000216638. Note that the first 4 decimals coincide. The cubic root of 532686401 is about 810.6322356465.

The spelling of 532686401 in words is "five hundred thirty-two million, six hundred eighty-six thousand, four hundred one".