1347655451 has 2 divisors, whose sum is σ = 1347655452. Its totient is φ = 1347655450.

The previous prime is 1347655429. The next prime is 1347655453. The reversal of 1347655451 is 1545567431.

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-1347655451 is a prime.

It is a super-2 number, since 2×1347655451² = 3632350429220026802, which contains 22 as substring.

Together with 1347655453, 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 = 1347655399 and 1347655408.

It is not a weakly prime, because it can be changed into another prime (1347655453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673827725 + 673827726.

It is an arithmetic number, because the mean of its divisors is an integer number (673827726).

Almost surely, 2^1347655451 is an apocalyptic number.

1347655451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347655451 is an equidigital number, since it uses as much as digits as its factorization.

1347655451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The square root of 1347655451 is about 36710.4270065059. The cubic root of 1347655451 is about 1104.5692720076.

The spelling of 1347655451 in words is "one billion, three hundred forty-seven million, six hundred fifty-five thousand, four hundred fifty-one".