1709220052 has 12 divisors (see below), whose sum is σ = 3167084340. Its totient is φ = 804338816.

The previous prime is 1709220043. The next prime is 1709220053. The reversal of 1709220052 is 2500229071.

It can be written as a sum of positive squares in 2 ways, for example, as 1278491536 + 430728516 = 35756^2 + 20754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1709220052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1709220053) 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, 12567727 + ... + 12567862.

It is an arithmetic number, because the mean of its divisors is an integer number (263923695).

Almost surely, 2^1709220052 is an apocalyptic number.

It is an amenable number.

1709220052 is a deficient number, since it is larger than the sum of its proper divisors (1457864288).

1709220052 is a wasteful number, since it uses less digits than its factorization.

1709220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25135610 (or 25135608 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1709220052 is about 41342.7146181767. The cubic root of 1709220052 is about 1195.6369455037.

The spelling of 1709220052 in words is "one billion, seven hundred nine million, two hundred twenty thousand, fifty-two".