38256641 has 2 divisors, whose sum is σ = 38256642. Its totient is φ = 38256640.

The previous prime is 38256629. The next prime is 38256643. The reversal of 38256641 is 14665283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 495616 = 6145^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 38256641 - 2²² = 34062337 is a prime.

Together with 38256643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38256643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19128320 + 19128321.

It is an arithmetic number, because the mean of its divisors is an integer number (19128321).

It is a Proth number, since it is equal to 2335 ⋅ 2¹⁴ + 1 and 2335 < 2¹⁴.

Almost surely, 2^38256641 is an apocalyptic number.

It is an amenable number.

38256641 is a deficient number, since it is larger than the sum of its proper divisors (1).

38256641 is an equidigital number, since it uses as much as digits as its factorization.

38256641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 38256641 is about 6185.1953081532. The cubic root of 38256641 is about 336.9527034623.

The spelling of 38256641 in words is "thirty-eight million, two hundred fifty-six thousand, six hundred forty-one".