1452216251 has 8 divisors (see below), whose sum is σ = 1516534944. Its totient is φ = 1387995840.

The previous prime is 1452216221. The next prime is 1452216257. The reversal of 1452216251 is 1526122541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452216251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452216257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6485 + ... + 54281.

It is an arithmetic number, because the mean of its divisors is an integer number (189566868).

Almost surely, 2^1452216251 is an apocalyptic number.

1452216251 is a deficient number, since it is larger than the sum of its proper divisors (64318693).

1452216251 is a wasteful number, since it uses less digits than its factorization.

1452216251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49141.

The product of its digits is 4800, while the sum is 29.

The square root of 1452216251 is about 38107.9552193502. The cubic root of 1452216251 is about 1132.4275613441.

Adding to 1452216251 its reverse (1526122541), we get a palindrome (2978338792).

The spelling of 1452216251 in words is "one billion, four hundred fifty-two million, two hundred sixteen thousand, two hundred fifty-one".