32420401 has 4 divisors (see below), whose sum is σ = 34914292. Its totient is φ = 29926512.

The previous prime is 32420387. The next prime is 32420417. The reversal of 32420401 is 10402423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10402423 = 71 ⋅146513.

It can be written as a sum of positive squares in 2 ways, for example, as 16810000 + 15610401 = 4100^2 + 3951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32420401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32420431) 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, 1246926 + ... + 1246951.

It is an arithmetic number, because the mean of its divisors is an integer number (8728573).

Almost surely, 2^32420401 is an apocalyptic number.

It is an amenable number.

32420401 is a deficient number, since it is larger than the sum of its proper divisors (2493891).

32420401 is a wasteful number, since it uses less digits than its factorization.

32420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493890.

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

The square root of 32420401 is about 5693.8915514787. The cubic root of 32420401 is about 318.8644681278.

Adding to 32420401 its reverse (10402423), we get a palindrome (42822824).

The spelling of 32420401 in words is "thirty-two million, four hundred twenty thousand, four hundred one".