10587391 has 2 divisors, whose sum is σ = 10587392. Its totient is φ = 10587390.

The previous prime is 10587377. The next prime is 10587403. The reversal of 10587391 is 19378501.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19378501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10587391 - 2⁵ = 10587359 is a prime.

It is a super-2 number, since 2×10587391² = 224185696373762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10587091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5293695 + 5293696.

It is an arithmetic number, because the mean of its divisors is an integer number (5293696).

Almost surely, 2^10587391 is an apocalyptic number.

10587391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10587391 is an equidigital number, since it uses as much as digits as its factorization.

10587391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 10587391 is about 3253.8271312410. The cubic root of 10587391 is about 219.5817881431.

The spelling of 10587391 in words is "ten million, five hundred eighty-seven thousand, three hundred ninety-one".