201502197 has 12 divisors (see below), whose sum is σ = 313448044. Its totient is φ = 124001280.

The previous prime is 201502181. The next prime is 201502199. The reversal of 201502197 is 791205102.

201502197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63345681 + 138156516 = 7959^2 + 11754^2 .

It is not a de Polignac number, because 201502197 - 2⁴ = 201502181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201502197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201502199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861004 + ... + 861237.

Almost surely, 2^201502197 is an apocalyptic number.

It is an amenable number.

201502197 is a deficient number, since it is larger than the sum of its proper divisors (111945847).

201502197 is a wasteful number, since it uses less digits than its factorization.

201502197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722260 (or 1722257 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 201502197 is about 14195.1469523919. The cubic root of 201502197 is about 586.2640473506.

Adding to 201502197 its reverse (791205102), we get a palindrome (992707299).

The spelling of 201502197 in words is "two hundred one million, five hundred two thousand, one hundred ninety-seven".