452122949 has 4 divisors (see below), whose sum is σ = 463150380. Its totient is φ = 441095520.

The previous prime is 452122927. The next prime is 452122961. The reversal of 452122949 is 949221254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 239692324 + 212430625 = 15482^2 + 14575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452122949 is a prime.

It is a super-2 number, since 2×452122949² = 408830322024913202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452122969) 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, 5513654 + ... + 5513735.

It is an arithmetic number, because the mean of its divisors is an integer number (115787595).

Almost surely, 2^452122949 is an apocalyptic number.

It is an amenable number.

452122949 is a deficient number, since it is larger than the sum of its proper divisors (11027431).

452122949 is a wasteful number, since it uses less digits than its factorization.

452122949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027430.

The product of its digits is 51840, while the sum is 38.

The square root of 452122949 is about 21263.1829461160. The cubic root of 452122949 is about 767.5126059037.

The spelling of 452122949 in words is "four hundred fifty-two million, one hundred twenty-two thousand, nine hundred forty-nine".