38216951 has 2 divisors, whose sum is σ = 38216952. Its totient is φ = 38216950.

The previous prime is 38216917. The next prime is 38216963. The reversal of 38216951 is 15961283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38216951 - 2¹⁰ = 38215927 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 (38216251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19108475 + 19108476.

It is an arithmetic number, because the mean of its divisors is an integer number (19108476).

Almost surely, 2^38216951 is an apocalyptic number.

38216951 is a deficient number, since it is larger than the sum of its proper divisors (1).

38216951 is an equidigital number, since it uses as much as digits as its factorization.

38216951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 38216951 is about 6181.9860077486. The cubic root of 38216951 is about 336.8361373793.

The spelling of 38216951 in words is "thirty-eight million, two hundred sixteen thousand, nine hundred fifty-one".