202203997 has 2 divisors, whose sum is σ = 202203998. Its totient is φ = 202203996.

The previous prime is 202203973. The next prime is 202204003. The reversal of 202203997 is 799302202.

202203997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155226681 + 46977316 = 12459^2 + 6854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202203997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202203497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101101998 + 101101999.

It is an arithmetic number, because the mean of its divisors is an integer number (101101999).

Almost surely, 2^202203997 is an apocalyptic number.

It is an amenable number.

202203997 is a deficient number, since it is larger than the sum of its proper divisors (1).

202203997 is an equidigital number, since it uses as much as digits as its factorization.

202203997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 202203997 is about 14219.8451819983. The cubic root of 202203997 is about 586.9438800879.

The spelling of 202203997 in words is "two hundred two million, two hundred three thousand, nine hundred ninety-seven".