38125811 has 2 divisors, whose sum is σ = 38125812. Its totient is φ = 38125810.

The previous prime is 38125771. The next prime is 38125817. The reversal of 38125811 is 11852183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38125811 - 2¹⁸ = 37863667 is a prime.

It is not a weakly prime, because it can be changed into another prime (38125817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19062905 + 19062906.

It is an arithmetic number, because the mean of its divisors is an integer number (19062906).

Almost surely, 2^38125811 is an apocalyptic number.

38125811 is a deficient number, since it is larger than the sum of its proper divisors (1).

38125811 is an equidigital number, since it uses as much as digits as its factorization.

38125811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 29.

The square root of 38125811 is about 6174.6101901254. The cubic root of 38125811 is about 336.5681613368.

Adding to 38125811 its reverse (11852183), we get a palindrome (49977994).

The spelling of 38125811 in words is "thirty-eight million, one hundred twenty-five thousand, eight hundred eleven".