201532469 has 2 divisors, whose sum is σ = 201532470. Its totient is φ = 201532468.

The previous prime is 201532393. The next prime is 201532477. The reversal of 201532469 is 964235102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200562244 + 970225 = 14162^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 201532469 - 2⁸ = 201532213 is a prime.

It is a super-2 number, since 2×201532469² = 81230672122471922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201532369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100766234 + 100766235.

It is an arithmetic number, because the mean of its divisors is an integer number (100766235).

Almost surely, 2^201532469 is an apocalyptic number.

It is an amenable number.

201532469 is a deficient number, since it is larger than the sum of its proper divisors (1).

201532469 is an equidigital number, since it uses as much as digits as its factorization.

201532469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 201532469 is about 14196.2131922566. The cubic root of 201532469 is about 586.2934043450.

It can be divided in two parts, 20153 and 2469, that added together give a palindrome (22622).

The spelling of 201532469 in words is "two hundred one million, five hundred thirty-two thousand, four hundred sixty-nine".