1358706551 has 2 divisors, whose sum is σ = 1358706552. Its totient is φ = 1358706550.

The previous prime is 1358706509. The next prime is 1358706553. The reversal of 1358706551 is 1556078531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1358706551 is a prime.

Together with 1358706553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1358706499 and 1358706508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1358706553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679353275 + 679353276.

It is an arithmetic number, because the mean of its divisors is an integer number (679353276).

Almost surely, 2^1358706551 is an apocalyptic number.

1358706551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358706551 is an equidigital number, since it uses as much as digits as its factorization.

1358706551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 1358706551 is about 36860.6368772977. The cubic root of 1358706551 is about 1107.5803014402.

The spelling of 1358706551 in words is "one billion, three hundred fifty-eight million, seven hundred six thousand, five hundred fifty-one".