725270233 has 2 divisors, whose sum is σ = 725270234. Its totient is φ = 725270232.

The previous prime is 725270219. The next prime is 725270239. The reversal of 725270233 is 332072527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583850569 + 141419664 = 24163^2 + 11892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725270233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725270195 and 725270204.

It is not a weakly prime, because it can be changed into another prime (725270239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362635116 + 362635117.

It is an arithmetic number, because the mean of its divisors is an integer number (362635117).

Almost surely, 2^725270233 is an apocalyptic number.

It is an amenable number.

725270233 is a deficient number, since it is larger than the sum of its proper divisors (1).

725270233 is an equidigital number, since it uses as much as digits as its factorization.

725270233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 725270233 is about 26930.8416689861. The cubic root of 725270233 is about 898.4624913646.

The spelling of 725270233 in words is "seven hundred twenty-five million, two hundred seventy thousand, two hundred thirty-three".