505901233 has 2 divisors, whose sum is σ = 505901234. Its totient is φ = 505901232.

The previous prime is 505901197. The next prime is 505901267. The reversal of 505901233 is 332109505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372798864 + 133102369 = 19308^2 + 11537^2 .

It is a cyclic number.

It is not a de Polignac number, because 505901233 - 2¹³ = 505893041 is a prime.

It is not a weakly prime, because it can be changed into another prime (505901273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252950616 + 252950617.

It is an arithmetic number, because the mean of its divisors is an integer number (252950617).

Almost surely, 2^505901233 is an apocalyptic number.

It is an amenable number.

505901233 is a deficient number, since it is larger than the sum of its proper divisors (1).

505901233 is an equidigital number, since it uses as much as digits as its factorization.

505901233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 505901233 is about 22492.2482869099. The cubic root of 505901233 is about 796.8108625001.

The spelling of 505901233 in words is "five hundred five million, nine hundred one thousand, two hundred thirty-three".