38274521 has 2 divisors, whose sum is σ = 38274522. Its totient is φ = 38274520.

The previous prime is 38274503. The next prime is 38274547. The reversal of 38274521 is 12547283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 1792921 = 6040^2 + 1339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38274521 is a prime.

It is not a weakly prime, because it can be changed into another prime (38274571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19137260 + 19137261.

It is an arithmetic number, because the mean of its divisors is an integer number (19137261).

Almost surely, 2^38274521 is an apocalyptic number.

It is an amenable number.

38274521 is a deficient number, since it is larger than the sum of its proper divisors (1).

38274521 is an equidigital number, since it uses as much as digits as its factorization.

38274521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 38274521 is about 6186.6405261660. The cubic root of 38274521 is about 337.0051891296.

The spelling of 38274521 in words is "thirty-eight million, two hundred seventy-four thousand, five hundred twenty-one".