350426521 has 2 divisors, whose sum is σ = 350426522. Its totient is φ = 350426520.

The previous prime is 350426477. The next prime is 350426537. The reversal of 350426521 is 125624053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319122496 + 31304025 = 17864^2 + 5595^2 .

It is a cyclic number.

It is not a de Polignac number, because 350426521 - 2²⁵ = 316872089 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 350426521.

It is not a weakly prime, because it can be changed into another prime (350426591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175213260 + 175213261.

It is an arithmetic number, because the mean of its divisors is an integer number (175213261).

Almost surely, 2^350426521 is an apocalyptic number.

It is an amenable number.

350426521 is a deficient number, since it is larger than the sum of its proper divisors (1).

350426521 is an equidigital number, since it uses as much as digits as its factorization.

350426521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 350426521 is about 18719.6827163283. The cubic root of 350426521 is about 705.0160256572.

The spelling of 350426521 in words is "three hundred fifty million, four hundred twenty-six thousand, five hundred twenty-one".