1451251313 has 2 divisors, whose sum is σ = 1451251314. Its totient is φ = 1451251312.

The previous prime is 1451251301. The next prime is 1451251343. The reversal of 1451251313 is 3131521541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1230045184 + 221206129 = 35072^2 + 14873^2 .

It is an emirp because it is prime and its reverse (3131521541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1451251313 - 2⁸ = 1451251057 is a prime.

It is a super-2 number, since 2×1451251313² = 4212260746968447938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1451251343) 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, 725625656 + 725625657.

It is an arithmetic number, because the mean of its divisors is an integer number (725625657).

Almost surely, 2^1451251313 is an apocalyptic number.

It is an amenable number.

1451251313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451251313 is an equidigital number, since it uses as much as digits as its factorization.

1451251313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 1451251313 is about 38095.2925307052. The cubic root of 1451251313 is about 1132.1766885838.

Adding to 1451251313 its reverse (3131521541), we get a palindrome (4582772854).

The spelling of 1451251313 in words is "one billion, four hundred fifty-one million, two hundred fifty-one thousand, three hundred thirteen".