390254413 has 2 divisors, whose sum is σ = 390254414. Its totient is φ = 390254412.

The previous prime is 390254407. The next prime is 390254467. The reversal of 390254413 is 314452093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213949129 + 176305284 = 14627^2 + 13278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390254413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390254483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195127206 + 195127207.

It is an arithmetic number, because the mean of its divisors is an integer number (195127207).

Almost surely, 2^390254413 is an apocalyptic number.

It is an amenable number.

390254413 is a deficient number, since it is larger than the sum of its proper divisors (1).

390254413 is an equidigital number, since it uses as much as digits as its factorization.

390254413 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 31.

The square root of 390254413 is about 19754.8579594995. The cubic root of 390254413 is about 730.7731927794.

The spelling of 390254413 in words is "three hundred ninety million, two hundred fifty-four thousand, four hundred thirteen".