366531401 has 2 divisors, whose sum is σ = 366531402. Its totient is φ = 366531400.

The previous prime is 366531367. The next prime is 366531421. The reversal of 366531401 is 104135663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355134025 + 11397376 = 18845^2 + 3376^2 .

It is an emirp because it is prime and its reverse (104135663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366531401 - 2¹⁰ = 366530377 is a prime.

It is not a weakly prime, because it can be changed into another prime (366531421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183265700 + 183265701.

It is an arithmetic number, because the mean of its divisors is an integer number (183265701).

Almost surely, 2^366531401 is an apocalyptic number.

It is an amenable number.

366531401 is a deficient number, since it is larger than the sum of its proper divisors (1).

366531401 is an equidigital number, since it uses as much as digits as its factorization.

366531401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 366531401 is about 19145.0098197938. The cubic root of 366531401 is about 715.6550314584.

The spelling of 366531401 in words is "three hundred sixty-six million, five hundred thirty-one thousand, four hundred one".