416265881 has 2 divisors, whose sum is σ = 416265882. Its totient is φ = 416265880.

The previous prime is 416265847. The next prime is 416265901. The reversal of 416265881 is 188562614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349353481 + 66912400 = 18691^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 416265881 - 2²² = 412071577 is a prime.

It is a super-2 number, since 2×416265881² = 346554567369412322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (416265821) 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, 208132940 + 208132941.

It is an arithmetic number, because the mean of its divisors is an integer number (208132941).

Almost surely, 2^416265881 is an apocalyptic number.

It is an amenable number.

416265881 is a deficient number, since it is larger than the sum of its proper divisors (1).

416265881 is an equidigital number, since it uses as much as digits as its factorization.

416265881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The square root of 416265881 is about 20402.5949575048. The cubic root of 416265881 is about 746.6612365632.

The spelling of 416265881 in words is "four hundred sixteen million, two hundred sixty-five thousand, eight hundred eighty-one".