38503901 has 2 divisors, whose sum is σ = 38503902. Its totient is φ = 38503900.

The previous prime is 38503897. The next prime is 38503957. The reversal of 38503901 is 10930583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32501401 + 6002500 = 5701^2 + 2450^2 .

It is an emirp because it is prime and its reverse (10930583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38503901 - 2² = 38503897 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38503991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19251950 + 19251951.

It is an arithmetic number, because the mean of its divisors is an integer number (19251951).

Almost surely, 2^38503901 is an apocalyptic number.

It is an amenable number.

38503901 is a deficient number, since it is larger than the sum of its proper divisors (1).

38503901 is an equidigital number, since it uses as much as digits as its factorization.

38503901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 38503901 is about 6205.1511665712. The cubic root of 38503901 is about 337.6770750710.

The spelling of 38503901 in words is "thirty-eight million, five hundred three thousand, nine hundred one".