402132197 has 2 divisors, whose sum is σ = 402132198. Its totient is φ = 402132196.

The previous prime is 402132163. The next prime is 402132281. The reversal of 402132197 is 791231204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385493956 + 16638241 = 19634^2 + 4079^2 .

It is a cyclic number.

It is not a de Polignac number, because 402132197 - 2¹⁰ = 402131173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402162197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201066098 + 201066099.

It is an arithmetic number, because the mean of its divisors is an integer number (201066099).

Almost surely, 2^402132197 is an apocalyptic number.

It is an amenable number.

402132197 is a deficient number, since it is larger than the sum of its proper divisors (1).

402132197 is an equidigital number, since it uses as much as digits as its factorization.

402132197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 402132197 is about 20053.2340783226. The cubic root of 402132197 is about 738.1131605523.

The spelling of 402132197 in words is "four hundred two million, one hundred thirty-two thousand, one hundred ninety-seven".