223864513 has 2 divisors, whose sum is σ = 223864514. Its totient is φ = 223864512.

The previous prime is 223864507. The next prime is 223864519. The reversal of 223864513 is 315468322.

It is a balanced prime because it is at equal distance from previous prime (223864507) and next prime (223864519).

It can be written as a sum of positive squares in only one way, i.e., 169208064 + 54656449 = 13008^2 + 7393^2 .

It is a cyclic number.

It is not a de Polignac number, because 223864513 - 2¹⁷ = 223733441 is a prime.

It is not a weakly prime, because it can be changed into another prime (223864519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111932256 + 111932257.

It is an arithmetic number, because the mean of its divisors is an integer number (111932257).

Almost surely, 2^223864513 is an apocalyptic number.

It is an amenable number.

223864513 is a deficient number, since it is larger than the sum of its proper divisors (1).

223864513 is an equidigital number, since it uses as much as digits as its factorization.

223864513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 223864513 is about 14962.1025594667. The cubic root of 223864513 is about 607.1953237480.

The spelling of 223864513 in words is "two hundred twenty-three million, eight hundred sixty-four thousand, five hundred thirteen".