1325401043 has 2 divisors, whose sum is σ = 1325401044. Its totient is φ = 1325401042.

The previous prime is 1325401009. The next prime is 1325401057. The reversal of 1325401043 is 3401045231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325401043 - 2⁸ = 1325400787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1325401003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662700521 + 662700522.

It is an arithmetic number, because the mean of its divisors is an integer number (662700522).

Almost surely, 2^1325401043 is an apocalyptic number.

1325401043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325401043 is an equidigital number, since it uses as much as digits as its factorization.

1325401043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1325401043 is about 36406.0577788917. The cubic root of 1325401043 is about 1098.4554197747.

Adding to 1325401043 its reverse (3401045231), we get a palindrome (4726446274).

The spelling of 1325401043 in words is "one billion, three hundred twenty-five million, four hundred one thousand, forty-three".