133052541 has 4 divisors (see below), whose sum is σ = 177403392. Its totient is φ = 88701692.

The previous prime is 133052531. The next prime is 133052561. The reversal of 133052541 is 145250331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133052541 - 2¹⁷ = 132921469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133052531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22175421 + ... + 22175426.

It is an arithmetic number, because the mean of its divisors is an integer number (44350848).

Almost surely, 2^133052541 is an apocalyptic number.

It is an amenable number.

133052541 is a deficient number, since it is larger than the sum of its proper divisors (44350851).

133052541 is an equidigital number, since it uses as much as digits as its factorization.

133052541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44350850.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 133052541 is about 11534.8403109883. The cubic root of 133052541 is about 510.5140798650.

The spelling of 133052541 in words is "one hundred thirty-three million, fifty-two thousand, five hundred forty-one".