545404417 has 2 divisors, whose sum is σ = 545404418. Its totient is φ = 545404416.

The previous prime is 545404411. The next prime is 545404423. The reversal of 545404417 is 714404545.

It is a balanced prime because it is at equal distance from previous prime (545404411) and next prime (545404423).

It can be written as a sum of positive squares in only one way, i.e., 532271041 + 13133376 = 23071^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 545404417 - 2⁷ = 545404289 is a prime.

It is not a weakly prime, because it can be changed into another prime (545404411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272702208 + 272702209.

It is an arithmetic number, because the mean of its divisors is an integer number (272702209).

Almost surely, 2^545404417 is an apocalyptic number.

It is an amenable number.

545404417 is a deficient number, since it is larger than the sum of its proper divisors (1).

545404417 is an equidigital number, since it uses as much as digits as its factorization.

545404417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 545404417 is about 23353.8951140918. The cubic root of 545404417 is about 817.0329100781.

The spelling of 545404417 in words is "five hundred forty-five million, four hundred four thousand, four hundred seventeen".