1324199551 has 2 divisors, whose sum is σ = 1324199552. Its totient is φ = 1324199550.

The previous prime is 1324199543. The next prime is 1324199557. The reversal of 1324199551 is 1559914231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1324199551 - 2³ = 1324199543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324199557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662099775 + 662099776.

It is an arithmetic number, because the mean of its divisors is an integer number (662099776).

Almost surely, 2^1324199551 is an apocalyptic number.

1324199551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324199551 is an equidigital number, since it uses as much as digits as its factorization.

1324199551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 40.

The square root of 1324199551 is about 36389.5527727396. The cubic root of 1324199551 is about 1098.1233984072.

The spelling of 1324199551 in words is "one billion, three hundred twenty-four million, one hundred ninety-nine thousand, five hundred fifty-one".