38240551 has 2 divisors, whose sum is σ = 38240552. Its totient is φ = 38240550.

The previous prime is 38240549. The next prime is 38240561. The reversal of 38240551 is 15504283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38240551 - 2¹ = 38240549 is a prime.

Together with 38240549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38240561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19120275 + 19120276.

It is an arithmetic number, because the mean of its divisors is an integer number (19120276).

Almost surely, 2^38240551 is an apocalyptic number.

38240551 is a deficient number, since it is larger than the sum of its proper divisors (1).

38240551 is an equidigital number, since it uses as much as digits as its factorization.

38240551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 38240551 is about 6183.8944848695. The cubic root of 38240551 is about 336.9054582512.

The spelling of 38240551 in words is "thirty-eight million, two hundred forty thousand, five hundred fifty-one".