38157563 has 2 divisors, whose sum is σ = 38157564. Its totient is φ = 38157562.

The previous prime is 38157487. The next prime is 38157577. The reversal of 38157563 is 36575183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38157563 - 2¹⁴ = 38141179 is a prime.

It is a super-2 number, since 2×38157563² = 2911999228197938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38157463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19078781 + 19078782.

It is an arithmetic number, because the mean of its divisors is an integer number (19078782).

Almost surely, 2^38157563 is an apocalyptic number.

38157563 is a deficient number, since it is larger than the sum of its proper divisors (1).

38157563 is an equidigital number, since it uses as much as digits as its factorization.

38157563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 38157563 is about 6177.1808294723. The cubic root of 38157563 is about 336.6615691589.

The spelling of 38157563 in words is "thirty-eight million, one hundred fifty-seven thousand, five hundred sixty-three".