1305412051 has 2 divisors, whose sum is σ = 1305412052. Its totient is φ = 1305412050.

The previous prime is 1305412019. The next prime is 1305412067. The reversal of 1305412051 is 1502145031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1502145031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1305412051 - 2⁵ = 1305412019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305412151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652706025 + 652706026.

It is an arithmetic number, because the mean of its divisors is an integer number (652706026).

Almost surely, 2^1305412051 is an apocalyptic number.

1305412051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305412051 is an equidigital number, since it uses as much as digits as its factorization.

1305412051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1305412051 is about 36130.4864484275. The cubic root of 1305412051 is about 1092.9053179653.

Adding to 1305412051 its reverse (1502145031), we get a palindrome (2807557082).

The spelling of 1305412051 in words is "one billion, three hundred five million, four hundred twelve thousand, fifty-one".