10032391 has 2 divisors, whose sum is σ = 10032392. Its totient is φ = 10032390.

The previous prime is 10032389. The next prime is 10032401. The reversal of 10032391 is 19323001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10032391 - 2¹ = 10032389 is a prime.

Together with 10032389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016195 + 5016196.

It is an arithmetic number, because the mean of its divisors is an integer number (5016196).

Almost surely, 2^10032391 is an apocalyptic number.

10032391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10032391 is an equidigital number, since it uses as much as digits as its factorization.

10032391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 10032391 is about 3167.3949864202. The cubic root of 10032391 is about 215.6758326140.

Adding to 10032391 its reverse (19323001), we get a palindrome (29355392).

The spelling of 10032391 in words is "ten million, thirty-two thousand, three hundred ninety-one".