1301351551 has 2 divisors, whose sum is σ = 1301351552. Its totient is φ = 1301351550.

The previous prime is 1301351537. The next prime is 1301351563. The reversal of 1301351551 is 1551531031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301351551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301355551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650675775 + 650675776.

It is an arithmetic number, because the mean of its divisors is an integer number (650675776).

Almost surely, 2^1301351551 is an apocalyptic number.

1301351551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301351551 is an equidigital number, since it uses as much as digits as its factorization.

1301351551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 1301351551 is about 36074.2505258252. The cubic root of 1301351551 is about 1091.7709759454.

Adding to 1301351551 its reverse (1551531031), we get a palindrome (2852882582).

The spelling of 1301351551 in words is "one billion, three hundred one million, three hundred fifty-one thousand, five hundred fifty-one".