38722543 has 2 divisors, whose sum is σ = 38722544. Its totient is φ = 38722542.

The previous prime is 38722529. The next prime is 38722559. The reversal of 38722543 is 34522783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38722543 - 2¹⁷ = 38591471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38722499 and 38722508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38722843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19361271 + 19361272.

It is an arithmetic number, because the mean of its divisors is an integer number (19361272).

Almost surely, 2^38722543 is an apocalyptic number.

38722543 is a deficient number, since it is larger than the sum of its proper divisors (1).

38722543 is an equidigital number, since it uses as much as digits as its factorization.

38722543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 38722543 is about 6222.7440088758. The cubic root of 38722543 is about 338.3150284666.

The spelling of 38722543 in words is "thirty-eight million, seven hundred twenty-two thousand, five hundred forty-three".