531600401 has 8 divisors (see below), whose sum is σ = 539145600. Its totient is φ = 524075760.

The previous prime is 531600361. The next prime is 531600457. The reversal of 531600401 is 104006135.

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

It is a cyclic number.

It is not a de Polignac number, because 531600401 - 2⁶ = 531600337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531600481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51266 + ... + 60756.

It is an arithmetic number, because the mean of its divisors is an integer number (67393200).

Almost surely, 2^531600401 is an apocalyptic number.

It is an amenable number.

531600401 is a deficient number, since it is larger than the sum of its proper divisors (7545199).

531600401 is an equidigital number, since it uses as much as digits as its factorization.

531600401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 531600401 is about 23056.4611551730. The cubic root of 531600401 is about 810.0809760025.

Adding to 531600401 its reverse (104006135), we get a palindrome (635606536).

The spelling of 531600401 in words is "five hundred thirty-one million, six hundred thousand, four hundred one".