23550529 has 2 divisors, whose sum is σ = 23550530. Its totient is φ = 23550528.

The previous prime is 23550511. The next prime is 23550539. The reversal of 23550529 is 92505532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 11716929 = 3440^2 + 3423^2 .

It is a cyclic number.

It is not a de Polignac number, because 23550529 - 2⁹ = 23550017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23550529.

It is not a weakly prime, because it can be changed into another prime (23550509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11775264 + 11775265.

It is an arithmetic number, because the mean of its divisors is an integer number (11775265).

Almost surely, 2^23550529 is an apocalyptic number.

It is an amenable number.

23550529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23550529 is an equidigital number, since it uses as much as digits as its factorization.

23550529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 23550529 is about 4852.8887273458. Note that the first 3 decimals coincide. The cubic root of 23550529 is about 286.6378618675.

The spelling of 23550529 in words is "twenty-three million, five hundred fifty thousand, five hundred twenty-nine".