366401303 has 2 divisors, whose sum is σ = 366401304. Its totient is φ = 366401302.

The previous prime is 366401249. The next prime is 366401309. The reversal of 366401303 is 303104663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 366401303 - 2¹⁸ = 366139159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366401309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183200651 + 183200652.

It is an arithmetic number, because the mean of its divisors is an integer number (183200652).

Almost surely, 2^366401303 is an apocalyptic number.

366401303 is a deficient number, since it is larger than the sum of its proper divisors (1).

366401303 is an equidigital number, since it uses as much as digits as its factorization.

366401303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 366401303 is about 19141.6118182352. The cubic root of 366401303 is about 715.5703490311.

Adding to 366401303 its reverse (303104663), we get a palindrome (669505966).

The spelling of 366401303 in words is "three hundred sixty-six million, four hundred one thousand, three hundred three".