390281713 has 2 divisors, whose sum is σ = 390281714. Its totient is φ = 390281712.

The previous prime is 390281701. The next prime is 390281737. The reversal of 390281713 is 317182093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325189089 + 65092624 = 18033^2 + 8068^2 .

It is a cyclic number.

It is not a de Polignac number, because 390281713 - 2¹⁷ = 390150641 is a prime.

It is equal to p_20845357 and since 390281713 and 20845357 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (390281753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195140856 + 195140857.

It is an arithmetic number, because the mean of its divisors is an integer number (195140857).

Almost surely, 2^390281713 is an apocalyptic number.

It is an amenable number.

390281713 is a deficient number, since it is larger than the sum of its proper divisors (1).

390281713 is an equidigital number, since it uses as much as digits as its factorization.

390281713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 390281713 is about 19755.5489166968. The cubic root of 390281713 is about 730.7902326405.

The spelling of 390281713 in words is "three hundred ninety million, two hundred eighty-one thousand, seven hundred thirteen".