39235213 has 2 divisors, whose sum is σ = 39235214. Its totient is φ = 39235212.

The previous prime is 39235193. The next prime is 39235219. The reversal of 39235213 is 31253293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 459684 = 6227^2 + 678^2 .

It is a cyclic number.

It is not a de Polignac number, because 39235213 - 2¹³ = 39227021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39235219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19617606 + 19617607.

It is an arithmetic number, because the mean of its divisors is an integer number (19617607).

Almost surely, 2^39235213 is an apocalyptic number.

It is an amenable number.

39235213 is a deficient number, since it is larger than the sum of its proper divisors (1).

39235213 is an equidigital number, since it uses as much as digits as its factorization.

39235213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 28.

The square root of 39235213 is about 6263.8018008235. The cubic root of 39235213 is about 339.8015364252.

The spelling of 39235213 in words is "thirty-nine million, two hundred thirty-five thousand, two hundred thirteen".