709500053 has 4 divisors (see below), whose sum is σ = 716524908. Its totient is φ = 702475200.

The previous prime is 709500041. The next prime is 709500101. The reversal of 709500053 is 350005907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 615933124 + 93566929 = 24818^2 + 9673^2 .

It is not a de Polignac number, because 709500053 - 2⁴ = 709500037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 709499989 and 709500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709500013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512276 + ... + 3512477.

It is an arithmetic number, because the mean of its divisors is an integer number (179131227).

Almost surely, 2^709500053 is an apocalyptic number.

It is an amenable number.

709500053 is a deficient number, since it is larger than the sum of its proper divisors (7024855).

709500053 is a wasteful number, since it uses less digits than its factorization.

709500053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024854.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 709500053 is about 26636.4421986120. The cubic root of 709500053 is about 891.9026974808.

The spelling of 709500053 in words is "seven hundred nine million, five hundred thousand, fifty-three".