38457901 has 2 divisors, whose sum is σ = 38457902. Its totient is φ = 38457900.

The previous prime is 38457899. The next prime is 38457977. The reversal of 38457901 is 10975483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33942276 + 4515625 = 5826^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 38457901 - 2¹ = 38457899 is a prime.

Together with 38457899, 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 (38457301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228950 + 19228951.

It is an arithmetic number, because the mean of its divisors is an integer number (19228951).

Almost surely, 2^38457901 is an apocalyptic number.

It is an amenable number.

38457901 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457901 is an equidigital number, since it uses as much as digits as its factorization.

38457901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 38457901 is about 6201.4434610016. The cubic root of 38457901 is about 337.5425490023.

It can be divided in two parts, 384 and 57901, that added together give a palindrome (58285).

The spelling of 38457901 in words is "thirty-eight million, four hundred fifty-seven thousand, nine hundred one".