202113397 has 16 divisors (see below), whose sum is σ = 218529792. Its totient is φ = 186381360.

The previous prime is 202113389. The next prime is 202113413. The reversal of 202113397 is 793311202.

It is a cyclic number.

It is not a de Polignac number, because 202113397 - 2³ = 202113389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113347) 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, 332668 + ... + 333274.

It is an arithmetic number, because the mean of its divisors is an integer number (13658112).

Almost surely, 2^202113397 is an apocalyptic number.

It is an amenable number.

202113397 is a deficient number, since it is larger than the sum of its proper divisors (16416395).

202113397 is a wasteful number, since it uses less digits than its factorization.

202113397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 202113397 is about 14216.6591363794. The cubic root of 202113397 is about 586.8562045053.

Adding to 202113397 its reverse (793311202), we get a palindrome (995424599).

The spelling of 202113397 in words is "two hundred two million, one hundred thirteen thousand, three hundred ninety-seven".