39345253 has 2 divisors, whose sum is σ = 39345254. Its totient is φ = 39345252.

The previous prime is 39345233. The next prime is 39345263. The reversal of 39345253 is 35254393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24275329 + 15069924 = 4927^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 39345253 - 2⁹ = 39344741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39345233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19672626 + 19672627.

It is an arithmetic number, because the mean of its divisors is an integer number (19672627).

Almost surely, 2^39345253 is an apocalyptic number.

It is an amenable number.

39345253 is a deficient number, since it is larger than the sum of its proper divisors (1).

39345253 is an equidigital number, since it uses as much as digits as its factorization.

39345253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 39345253 is about 6272.5794534625. The cubic root of 39345253 is about 340.1189116941.

The spelling of 39345253 in words is "thirty-nine million, three hundred forty-five thousand, two hundred fifty-three".