38157701 has 2 divisors, whose sum is σ = 38157702. Its totient is φ = 38157700.

The previous prime is 38157697. The next prime is 38157731. The reversal of 38157701 is 10775183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30813601 + 7344100 = 5551^2 + 2710^2 .

It is an emirp because it is prime and its reverse (10775183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38157701 - 2² = 38157697 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 (38157731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19078850 + 19078851.

It is an arithmetic number, because the mean of its divisors is an integer number (19078851).

Almost surely, 2^38157701 is an apocalyptic number.

It is an amenable number.

38157701 is a deficient number, since it is larger than the sum of its proper divisors (1).

38157701 is an equidigital number, since it uses as much as digits as its factorization.

38157701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 38157701 is about 6177.1919996063. The cubic root of 38157701 is about 336.6619750133.

The spelling of 38157701 in words is "thirty-eight million, one hundred fifty-seven thousand, seven hundred one".