725297953 has 2 divisors, whose sum is σ = 725297954. Its totient is φ = 725297952.

The previous prime is 725297933. The next prime is 725297977. The reversal of 725297953 is 359792527.

725297953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398122209 + 327175744 = 19953^2 + 18088^2 .

It is a cyclic number.

It is not a de Polignac number, because 725297953 - 2⁵ = 725297921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725297897 and 725297906.

It is not a weakly prime, because it can be changed into another prime (725297933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362648976 + 362648977.

It is an arithmetic number, because the mean of its divisors is an integer number (362648977).

Almost surely, 2^725297953 is an apocalyptic number.

It is an amenable number.

725297953 is a deficient number, since it is larger than the sum of its proper divisors (1).

725297953 is an equidigital number, since it uses as much as digits as its factorization.

725297953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 49.

The square root of 725297953 is about 26931.3563156407. The cubic root of 725297953 is about 898.4739377018.

The spelling of 725297953 in words is "seven hundred twenty-five million, two hundred ninety-seven thousand, nine hundred fifty-three".