1451013217 has 2 divisors, whose sum is σ = 1451013218. Its totient is φ = 1451013216.

The previous prime is 1451013143. The next prime is 1451013229. The reversal of 1451013217 is 7123101541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1031951376 + 419061841 = 32124^2 + 20471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451013217 - 2¹⁹ = 1450488929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1451013191 and 1451013200.

It is not a weakly prime, because it can be changed into another prime (1451013017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725506608 + 725506609.

It is an arithmetic number, because the mean of its divisors is an integer number (725506609).

Almost surely, 2^1451013217 is an apocalyptic number.

It is an amenable number.

1451013217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451013217 is an equidigital number, since it uses as much as digits as its factorization.

1451013217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1451013217 is about 38092.1673969860. The cubic root of 1451013217 is about 1132.1147692636.

Adding to 1451013217 its reverse (7123101541), we get a palindrome (8574114758).

The spelling of 1451013217 in words is "one billion, four hundred fifty-one million, thirteen thousand, two hundred seventeen".