203413369 has 2 divisors, whose sum is σ = 203413370. Its totient is φ = 203413368.

The previous prime is 203413363. The next prime is 203413393. The reversal of 203413369 is 963314302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182574144 + 20839225 = 13512^2 + 4565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203413369 is a prime.

It is a super-2 number, since 2×203413369² = 82753997375860322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203413369.

It is not a weakly prime, because it can be changed into another prime (203413363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101706684 + 101706685.

It is an arithmetic number, because the mean of its divisors is an integer number (101706685).

Almost surely, 2^203413369 is an apocalyptic number.

It is an amenable number.

203413369 is a deficient number, since it is larger than the sum of its proper divisors (1).

203413369 is an equidigital number, since it uses as much as digits as its factorization.

203413369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 203413369 is about 14262.3058794853. The cubic root of 203413369 is about 588.1117155884. Note that the first 3 decimals are identical.

The spelling of 203413369 in words is "two hundred three million, four hundred thirteen thousand, three hundred sixty-nine".