38920253 has 2 divisors, whose sum is σ = 38920254. Its totient is φ = 38920252.

The previous prime is 38920241. The next prime is 38920307. The reversal of 38920253 is 35202983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21921124 + 16999129 = 4682^2 + 4123^2 .

It is an emirp because it is prime and its reverse (35202983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38920253 - 2⁸ = 38919997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38920213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19460126 + 19460127.

It is an arithmetic number, because the mean of its divisors is an integer number (19460127).

Almost surely, 2^38920253 is an apocalyptic number.

It is an amenable number.

38920253 is a deficient number, since it is larger than the sum of its proper divisors (1).

38920253 is an equidigital number, since it uses as much as digits as its factorization.

38920253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 38920253 is about 6238.6098611790. The cubic root of 38920253 is about 338.8898421823.

The spelling of 38920253 in words is "thirty-eight million, nine hundred twenty thousand, two hundred fifty-three".