390526061 has 2 divisors, whose sum is σ = 390526062. Its totient is φ = 390526060.

The previous prime is 390526051. The next prime is 390526067. The reversal of 390526061 is 160625093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371332900 + 19193161 = 19270^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 390526061 - 2¹⁴ = 390509677 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390526067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195263030 + 195263031.

It is an arithmetic number, because the mean of its divisors is an integer number (195263031).

Almost surely, 2^390526061 is an apocalyptic number.

It is an amenable number.

390526061 is a deficient number, since it is larger than the sum of its proper divisors (1).

390526061 is an equidigital number, since it uses as much as digits as its factorization.

390526061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 390526061 is about 19761.7322368258. The cubic root of 390526061 is about 730.9427121384.

The spelling of 390526061 in words is "three hundred ninety million, five hundred twenty-six thousand, sixty-one".