1452451211 has 4 divisors (see below), whose sum is σ = 1452545952. Its totient is φ = 1452356472.

The previous prime is 1452451207. The next prime is 1452451223. The reversal of 1452451211 is 1121542541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1452451211 - 2² = 1452451207 is a prime.

It is a super-2 number, since 2×1452451211² = 4219229040670733042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452451201) 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, 18515 + ... + 56988.

It is an arithmetic number, because the mean of its divisors is an integer number (363136488).

Almost surely, 2^1452451211 is an apocalyptic number.

1452451211 is a deficient number, since it is larger than the sum of its proper divisors (94741).

1452451211 is an equidigital number, since it uses as much as digits as its factorization.

1452451211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94740.

The product of its digits is 1600, while the sum is 26.

The square root of 1452451211 is about 38111.0379155436. The cubic root of 1452451211 is about 1132.4886314111.

Adding to 1452451211 its reverse (1121542541), we get a palindrome (2573993752).

The spelling of 1452451211 in words is "one billion, four hundred fifty-two million, four hundred fifty-one thousand, two hundred eleven".