1451420417 has 2 divisors, whose sum is σ = 1451420418. Its totient is φ = 1451420416.

The previous prime is 1451420371. The next prime is 1451420429. The reversal of 1451420417 is 7140241541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407450256 + 43970161 = 37516^2 + 6631^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451420417 - 2¹⁴ = 1451404033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1451420417.

It is not a weakly prime, because it can be changed into another prime (1451420437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725710208 + 725710209.

It is an arithmetic number, because the mean of its divisors is an integer number (725710209).

Almost surely, 2^1451420417 is an apocalyptic number.

It is an amenable number.

1451420417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451420417 is an equidigital number, since it uses as much as digits as its factorization.

1451420417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1451420417 is about 38097.5119528822. The cubic root of 1451420417 is about 1132.2206617098.

Adding to 1451420417 its reverse (7140241541), we get a palindrome (8591661958).

The spelling of 1451420417 in words is "one billion, four hundred fifty-one million, four hundred twenty thousand, four hundred seventeen".