1416525389 has 2 divisors, whose sum is σ = 1416525390. Its totient is φ = 1416525388.

The previous prime is 1416525349. The next prime is 1416525491. The reversal of 1416525389 is 9835256141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1055145289 + 361380100 = 32483^2 + 19010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416525389 - 2⁸ = 1416525133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1416525349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708262694 + 708262695.

It is an arithmetic number, because the mean of its divisors is an integer number (708262695).

Almost surely, 2^1416525389 is an apocalyptic number.

It is an amenable number.

1416525389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1416525389 is an equidigital number, since it uses as much as digits as its factorization.

1416525389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 1416525389 is about 37636.7558245925. The cubic root of 1416525389 is about 1123.0733480013.

The spelling of 1416525389 in words is "one billion, four hundred sixteen million, five hundred twenty-five thousand, three hundred eighty-nine".