133432253 has 2 divisors, whose sum is σ = 133432254. Its totient is φ = 133432252.

The previous prime is 133432183. The next prime is 133432279. The reversal of 133432253 is 352234331.

It is a happy number.

It is an a-pointer prime, because the next prime (133432279) can be obtained adding 133432253 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102373924 + 31058329 = 10118^2 + 5573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133432253 is a prime.

It is a super-2 number, since 2×133432253² = 35608332281312018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133432283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66716126 + 66716127.

It is an arithmetic number, because the mean of its divisors is an integer number (66716127).

Almost surely, 2^133432253 is an apocalyptic number.

It is an amenable number.

133432253 is a deficient number, since it is larger than the sum of its proper divisors (1).

133432253 is an equidigital number, since it uses as much as digits as its factorization.

133432253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 26.

The square root of 133432253 is about 11551.2879368493. The cubic root of 133432253 is about 510.9992621545. Note that the first 3 decimals are identical.

Adding to 133432253 its reverse (352234331), we get a palindrome (485666584).

The spelling of 133432253 in words is "one hundred thirty-three million, four hundred thirty-two thousand, two hundred fifty-three".