405115201 has 2 divisors, whose sum is σ = 405115202. Its totient is φ = 405115200.

The previous prime is 405115159. The next prime is 405115211. The reversal of 405115201 is 102511504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391090176 + 14025025 = 19776^2 + 3745^2 .

It is a cyclic number.

It is not a de Polignac number, because 405115201 - 2¹³ = 405107009 is a prime.

It is not a weakly prime, because it can be changed into another prime (405115211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202557600 + 202557601.

It is an arithmetic number, because the mean of its divisors is an integer number (202557601).

Almost surely, 2^405115201 is an apocalyptic number.

It is an amenable number.

405115201 is a deficient number, since it is larger than the sum of its proper divisors (1).

405115201 is an equidigital number, since it uses as much as digits as its factorization.

405115201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 405115201 is about 20127.4737858480. The cubic root of 405115201 is about 739.9337662901.

Adding to 405115201 its reverse (102511504), we get a palindrome (507626705).

The spelling of 405115201 in words is "four hundred five million, one hundred fifteen thousand, two hundred one".