452939549 has 4 divisors (see below), whose sum is σ = 458396736. Its totient is φ = 447482364.

The previous prime is 452939527. The next prime is 452939561. The reversal of 452939549 is 945939254.

It is a happy number.

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 452939549 - 2¹² = 452935453 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 = 452939497 and 452939506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452939569) 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, 2728469 + ... + 2728634.

It is an arithmetic number, because the mean of its divisors is an integer number (114599184).

Almost surely, 2^452939549 is an apocalyptic number.

It is an amenable number.

452939549 is a deficient number, since it is larger than the sum of its proper divisors (5457187).

452939549 is an equidigital number, since it uses as much as digits as its factorization.

452939549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457186.

The product of its digits is 1749600, while the sum is 50.

The square root of 452939549 is about 21282.3764885409. The cubic root of 452939549 is about 767.9744078974.

The spelling of 452939549 in words is "four hundred fifty-two million, nine hundred thirty-nine thousand, five hundred forty-nine".