201152969 has 2 divisors, whose sum is σ = 201152970. Its totient is φ = 201152968.

The previous prime is 201152927. The next prime is 201152971. The reversal of 201152969 is 969251102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 70896400 = 11413^2 + 8420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201152969 is a prime.

It is a super-2 number, since 2×201152969² = 80925033875029922, which contains 22 as substring.

Together with 201152971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201152909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100576484 + 100576485.

It is an arithmetic number, because the mean of its divisors is an integer number (100576485).

Almost surely, 2^201152969 is an apocalyptic number.

It is an amenable number.

201152969 is a deficient number, since it is larger than the sum of its proper divisors (1).

201152969 is an equidigital number, since it uses as much as digits as its factorization.

201152969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 201152969 is about 14182.8406534093. The cubic root of 201152969 is about 585.9251623533.

The spelling of 201152969 in words is "two hundred one million, one hundred fifty-two thousand, nine hundred sixty-nine".