38992253 has 2 divisors, whose sum is σ = 38992254. Its totient is φ = 38992252.

The previous prime is 38992249. The next prime is 38992319. The reversal of 38992253 is 35229983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 8543929 = 5518^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 38992253 - 2² = 38992249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38992253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38992553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19496126 + 19496127.

It is an arithmetic number, because the mean of its divisors is an integer number (19496127).

Almost surely, 2^38992253 is an apocalyptic number.

It is an amenable number.

38992253 is a deficient number, since it is larger than the sum of its proper divisors (1).

38992253 is an equidigital number, since it uses as much as digits as its factorization.

38992253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 38992253 is about 6244.3777111895. The cubic root of 38992253 is about 339.0986883572.

The spelling of 38992253 in words is "thirty-eight million, nine hundred ninety-two thousand, two hundred fifty-three".