350677421 has 2 divisors, whose sum is σ = 350677422. Its totient is φ = 350677420.

The previous prime is 350677409. The next prime is 350677429. The reversal of 350677421 is 124776053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 56040196 = 17165^2 + 7486^2 .

It is a cyclic number.

It is not a de Polignac number, because 350677421 - 2¹⁰ = 350676397 is a prime.

It is a super-2 number, since 2×350677421² = 245949307198422482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350677429) 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, 175338710 + 175338711.

It is an arithmetic number, because the mean of its divisors is an integer number (175338711).

Almost surely, 2^350677421 is an apocalyptic number.

It is an amenable number.

350677421 is a deficient number, since it is larger than the sum of its proper divisors (1).

350677421 is an equidigital number, since it uses as much as digits as its factorization.

350677421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 350677421 is about 18726.3830196864. The cubic root of 350677421 is about 705.1842457267.

The spelling of 350677421 in words is "three hundred fifty million, six hundred seventy-seven thousand, four hundred twenty-one".