452215551 has 4 divisors (see below), whose sum is σ = 602954072. Its totient is φ = 301477032.

The previous prime is 452215549. The next prime is 452215567. The reversal of 452215551 is 155512254.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 452215551 - 2¹ = 452215549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452215501) 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, 75369256 + ... + 75369261.

It is an arithmetic number, because the mean of its divisors is an integer number (150738518).

Almost surely, 2^452215551 is an apocalyptic number.

452215551 is a deficient number, since it is larger than the sum of its proper divisors (150738521).

452215551 is a wasteful number, since it uses less digits than its factorization.

452215551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150738520.

The product of its digits is 10000, while the sum is 30.

The square root of 452215551 is about 21265.3603543415. The cubic root of 452215551 is about 767.5650019394.

The spelling of 452215551 in words is "four hundred fifty-two million, two hundred fifteen thousand, five hundred fifty-one".