32400001 has 4 divisors (see below), whose sum is σ = 32444352. Its totient is φ = 32355652.

The previous prime is 32399987. The next prime is 32400007. The reversal of 32400001 is 10000423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32400001 - 2¹⁹ = 31875713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32400007) 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, 21061 + ... + 22546.

It is an arithmetic number, because the mean of its divisors is an integer number (8111088).

Almost surely, 2^32400001 is an apocalyptic number.

It is an amenable number.

32400001 is a deficient number, since it is larger than the sum of its proper divisors (44351).

32400001 is an equidigital number, since it uses as much as digits as its factorization.

32400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44350.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 32400001 is about 5692.0998761441. The cubic root of 32400001 is about 318.7975740346.

Adding to 32400001 its reverse (10000423), we get a palindrome (42400424).

The spelling of 32400001 in words is "thirty-two million, four hundred thousand, one".