452721451 has 32 divisors (see below), whose sum is σ = 567100800. Its totient is φ = 351903744.

The previous prime is 452721449. The next prime is 452721463. The reversal of 452721451 is 154127254.

It is a cyclic number.

It is not a de Polignac number, because 452721451 - 2¹ = 452721449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (452121451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2345611 + ... + 2345803.

It is an arithmetic number, because the mean of its divisors is an integer number (17721900).

Almost surely, 2^452721451 is an apocalyptic number.

452721451 is a deficient number, since it is larger than the sum of its proper divisors (114379349).

452721451 is a wasteful number, since it uses less digits than its factorization.

452721451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its digits is 11200, while the sum is 31.

The square root of 452721451 is about 21277.2519607209. The cubic root of 452721451 is about 767.8511239156.

The spelling of 452721451 in words is "four hundred fifty-two million, seven hundred twenty-one thousand, four hundred fifty-one".