725224349 has 2 divisors, whose sum is σ = 725224350. Its totient is φ = 725224348.

The previous prime is 725224343. The next prime is 725224363. The reversal of 725224349 is 943422527.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414407449 + 310816900 = 20357^2 + 17630^2 .

It is a cyclic number.

It is not a de Polignac number, because 725224349 - 2⁴ = 725224333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725224343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362612174 + 362612175.

It is an arithmetic number, because the mean of its divisors is an integer number (362612175).

Almost surely, 2^725224349 is an apocalyptic number.

It is an amenable number.

725224349 is a deficient number, since it is larger than the sum of its proper divisors (1).

725224349 is an equidigital number, since it uses as much as digits as its factorization.

725224349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 725224349 is about 26929.9897697715. The cubic root of 725224349 is about 898.4435439799.

The spelling of 725224349 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, three hundred forty-nine".