412205501 has 2 divisors, whose sum is σ = 412205502. Its totient is φ = 412205500.

The previous prime is 412205491. The next prime is 412205527. The reversal of 412205501 is 105502214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410103001 + 2102500 = 20251^2 + 1450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412205501 is a prime.

It is a super-2 number, since 2×412205501² = 339826750109322002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412205531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206102750 + 206102751.

It is an arithmetic number, because the mean of its divisors is an integer number (206102751).

Almost surely, 2^412205501 is an apocalyptic number.

It is an amenable number.

412205501 is a deficient number, since it is larger than the sum of its proper divisors (1).

412205501 is an equidigital number, since it uses as much as digits as its factorization.

412205501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 412205501 is about 20302.8446529052. The cubic root of 412205501 is about 744.2255820809.

Adding to 412205501 its reverse (105502214), we get a palindrome (517707715).

The spelling of 412205501 in words is "four hundred twelve million, two hundred five thousand, five hundred one".