209052363 has 32 divisors (see below), whose sum is σ = 307832896. Its totient is φ = 125411328.

The previous prime is 209052341. The next prime is 209052377. The reversal of 209052363 is 363250902.

It is not a de Polignac number, because 209052363 - 2¹⁷ = 208921291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 209052363.

It is not an unprimeable number, because it can be changed into a prime (209052463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275781 + ... + 276537.

It is an arithmetic number, because the mean of its divisors is an integer number (9619778).

Almost surely, 2^209052363 is an apocalyptic number.

209052363 is a deficient number, since it is larger than the sum of its proper divisors (98780533).

209052363 is a wasteful number, since it uses less digits than its factorization.

209052363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 209052363 is about 14458.6431936057. The cubic root of 209052363 is about 593.4967707891.

The spelling of 209052363 in words is "two hundred nine million, fifty-two thousand, three hundred sixty-three".