223252507 has 2 divisors, whose sum is σ = 223252508. Its totient is φ = 223252506.

The previous prime is 223252493. The next prime is 223252541. The reversal of 223252507 is 705252322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223252507 - 2¹⁵ = 223219739 is a prime.

It is a super-3 number, since 3×223252507³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223252567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111626253 + 111626254.

It is an arithmetic number, because the mean of its divisors is an integer number (111626254).

Almost surely, 2^223252507 is an apocalyptic number.

223252507 is a deficient number, since it is larger than the sum of its proper divisors (1).

223252507 is an equidigital number, since it uses as much as digits as its factorization.

223252507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 223252507 is about 14941.6366908047. The cubic root of 223252507 is about 606.6414971981.

The spelling of 223252507 in words is "two hundred twenty-three million, two hundred fifty-two thousand, five hundred seven".