202049197 has 12 divisors (see below), whose sum is σ = 239474556. Its totient is φ = 169915200.

The previous prime is 202049179. The next prime is 202049201. The reversal of 202049197 is 791940202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128278276 + 73770921 = 11326^2 + 8589^2 .

It is a de Polignac number, because none of the positive numbers 2^k-202049197 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 (202049117) 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, 36304 + ... + 41497.

It is an arithmetic number, because the mean of its divisors is an integer number (19956213).

Almost surely, 2^202049197 is an apocalyptic number.

It is an amenable number.

202049197 is a deficient number, since it is larger than the sum of its proper divisors (37425359).

202049197 is an equidigital number, since it uses as much as digits as its factorization.

202049197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77868 (or 77861 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 202049197 is about 14214.4010426046. The cubic root of 202049197 is about 586.7940609120.

Adding to 202049197 its reverse (791940202), we get a palindrome (993989399).

The spelling of 202049197 in words is "two hundred two million, forty-nine thousand, one hundred ninety-seven".