725152949 has 2 divisors, whose sum is σ = 725152950. Its totient is φ = 725152948.

The previous prime is 725152913. The next prime is 725152951. The reversal of 725152949 is 949251527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614692849 + 110460100 = 24793^2 + 10510^2 .

It is a cyclic number.

It is not a de Polignac number, because 725152949 - 2²⁰ = 724104373 is a prime.

Together with 725152951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725152249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362576474 + 362576475.

It is an arithmetic number, because the mean of its divisors is an integer number (362576475).

Almost surely, 2^725152949 is an apocalyptic number.

It is an amenable number.

725152949 is a deficient number, since it is larger than the sum of its proper divisors (1).

725152949 is an equidigital number, since it uses as much as digits as its factorization.

725152949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 725152949 is about 26928.6640775216. The cubic root of 725152949 is about 898.4140584033.

The spelling of 725152949 in words is "seven hundred twenty-five million, one hundred fifty-two thousand, nine hundred forty-nine".