38521463 has 2 divisors, whose sum is σ = 38521464. Its totient is φ = 38521462.

The previous prime is 38521451. The next prime is 38521471. The reversal of 38521463 is 36412583.

It is a strong prime.

It is an emirp because it is prime and its reverse (36412583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38521463 - 2⁸ = 38521207 is a prime.

It is a super-2 number, since 2×38521463² = 2967806223320738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38521423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19260731 + 19260732.

It is an arithmetic number, because the mean of its divisors is an integer number (19260732).

Almost surely, 2^38521463 is an apocalyptic number.

38521463 is a deficient number, since it is larger than the sum of its proper divisors (1).

38521463 is an equidigital number, since it uses as much as digits as its factorization.

38521463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 38521463 is about 6206.5661198444. The cubic root of 38521463 is about 337.7284065227.

The spelling of 38521463 in words is "thirty-eight million, five hundred twenty-one thousand, four hundred sixty-three".