32400413 has 4 divisors (see below), whose sum is σ = 32517660. Its totient is φ = 32283168.

The previous prime is 32400409. The next prime is 32400421. The reversal of 32400413 is 31400423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31400423 = 181 ⋅173483.

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 12802084 = 4427^2 + 3578^2 .

It is a cyclic number.

It is not a de Polignac number, because 32400413 - 2² = 32400409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32400391 and 32400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32408413) 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, 58208 + ... + 58761.

It is an arithmetic number, because the mean of its divisors is an integer number (8129415).

Almost surely, 2^32400413 is an apocalyptic number.

It is an amenable number.

32400413 is a deficient number, since it is larger than the sum of its proper divisors (117247).

32400413 is a wasteful number, since it uses less digits than its factorization.

32400413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117246.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 32400413 is about 5692.1360665395. The cubic root of 32400413 is about 318.7989253107.

Adding to 32400413 its reverse (31400423), we get a palindrome (63800836).

The spelling of 32400413 in words is "thirty-two million, four hundred thousand, four hundred thirteen".