361335421 has 2 divisors, whose sum is σ = 361335422. Its totient is φ = 361335420.

The previous prime is 361335361. The next prime is 361335427. The reversal of 361335421 is 124533163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273538521 + 87796900 = 16539^2 + 9370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361335421 is a prime.

It is a super-4 number, since 4×361335421⁴ (a number of 35 digits) contains 4444 as substring.

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 361335421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361335427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180667710 + 180667711.

It is an arithmetic number, because the mean of its divisors is an integer number (180667711).

Almost surely, 2^361335421 is an apocalyptic number.

It is an amenable number.

361335421 is a deficient number, since it is larger than the sum of its proper divisors (1).

361335421 is an equidigital number, since it uses as much as digits as its factorization.

361335421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 361335421 is about 19008.8248190150. The cubic root of 361335421 is about 712.2571958554.

Adding to 361335421 its reverse (124533163), we get a palindrome (485868584).

The spelling of 361335421 in words is "three hundred sixty-one million, three hundred thirty-five thousand, four hundred twenty-one".