416539121 has 2 divisors, whose sum is σ = 416539122. Its totient is φ = 416539120.

The previous prime is 416539099. The next prime is 416539127. The reversal of 416539121 is 121935614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386672896 + 29866225 = 19664^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 416539121 - 2²² = 412344817 is a prime.

It is not a weakly prime, because it can be changed into another prime (416539127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208269560 + 208269561.

It is an arithmetic number, because the mean of its divisors is an integer number (208269561).

Almost surely, 2^416539121 is an apocalyptic number.

It is an amenable number.

416539121 is a deficient number, since it is larger than the sum of its proper divisors (1).

416539121 is an equidigital number, since it uses as much as digits as its factorization.

416539121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 416539121 is about 20409.2900660459. The cubic root of 416539121 is about 746.8245721477.

The spelling of 416539121 in words is "four hundred sixteen million, five hundred thirty-nine thousand, one hundred twenty-one".