725224153 has 2 divisors, whose sum is σ = 725224154. Its totient is φ = 725224152.

The previous prime is 725224099. The next prime is 725224163. The reversal of 725224153 is 351422527.

725224153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397324489 + 327899664 = 19933^2 + 18108^2 .

It is an emirp because it is prime and its reverse (351422527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725224153 - 2¹⁷ = 725093081 is a prime.

It is not a weakly prime, because it can be changed into another prime (725224163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362612076 + 362612077.

It is an arithmetic number, because the mean of its divisors is an integer number (362612077).

Almost surely, 2^725224153 is an apocalyptic number.

It is an amenable number.

725224153 is a deficient number, since it is larger than the sum of its proper divisors (1).

725224153 is an equidigital number, since it uses as much as digits as its factorization.

725224153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 725224153 is about 26929.9861307057. The cubic root of 725224153 is about 898.4434630418.

It can be divided in two parts, 72 and 5224153, that added together give a palindrome (5224225).

The spelling of 725224153 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, one hundred fifty-three".