32402401 has 4 divisors (see below), whose sum is σ = 32583600. Its totient is φ = 32221204.

The previous prime is 32402393. The next prime is 32402441. The reversal of 32402401 is 10420423.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10420423 = 13 ⋅801571.

It is a cyclic number.

It is not a de Polignac number, because 32402401 - 2³ = 32402393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32402441) 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, 90331 + ... + 90688.

It is an arithmetic number, because the mean of its divisors is an integer number (8145900).

Almost surely, 2^32402401 is an apocalyptic number.

It is an amenable number.

32402401 is a deficient number, since it is larger than the sum of its proper divisors (181199).

32402401 is a wasteful number, since it uses less digits than its factorization.

32402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181198.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 32402401 is about 5692.3106907477. The cubic root of 32402401 is about 318.8054453850.

Adding to 32402401 its reverse (10420423), we get a palindrome (42822824).

The spelling of 32402401 in words is "thirty-two million, four hundred two thousand, four hundred one".