451532541 has 4 divisors (see below), whose sum is σ = 602043392. Its totient is φ = 301021692.

The previous prime is 451532531. The next prime is 451532561. The reversal of 451532541 is 145235154.

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 not a de Polignac number, because 451532541 - 2¹⁰ = 451531517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 451532499 and 451532508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451532531) 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, 75255421 + ... + 75255426.

It is an arithmetic number, because the mean of its divisors is an integer number (150510848).

Almost surely, 2^451532541 is an apocalyptic number.

It is an amenable number.

451532541 is a deficient number, since it is larger than the sum of its proper divisors (150510851).

451532541 is a wasteful number, since it uses less digits than its factorization.

451532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150510850.

The product of its digits is 12000, while the sum is 30.

The square root of 451532541 is about 21249.2950706606. The cubic root of 451532541 is about 767.1783730919.

Adding to 451532541 its reverse (145235154), we get a palindrome (596767695).

The spelling of 451532541 in words is "four hundred fifty-one million, five hundred thirty-two thousand, five hundred forty-one".