556725273 has 16 divisors (see below), whose sum is σ = 821007936. Its totient is φ = 333339840.

The previous prime is 556725269. The next prime is 556725277. The reversal of 556725273 is 372527655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (556725269) and next prime (556725277).

It is not a de Polignac number, because 556725273 - 2² = 556725269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556725277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191463 + ... + 194348.

It is an arithmetic number, because the mean of its divisors is an integer number (51312996).

Almost surely, 2^556725273 is an apocalyptic number.

It is an amenable number.

556725273 is a deficient number, since it is larger than the sum of its proper divisors (264282663).

556725273 is a wasteful number, since it uses less digits than its factorization.

556725273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385864.

The product of its digits is 441000, while the sum is 42.

The square root of 556725273 is about 23595.0264462662. The cubic root of 556725273 is about 822.6472412494.

The spelling of 556725273 in words is "five hundred fifty-six million, seven hundred twenty-five thousand, two hundred seventy-three".