406552277 has 2 divisors, whose sum is σ = 406552278. Its totient is φ = 406552276.

The previous prime is 406552271. The next prime is 406552283. The reversal of 406552277 is 772255604.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (406552271) and next prime (406552283).

It can be written as a sum of positive squares in only one way, i.e., 401561521 + 4990756 = 20039^2 + 2234^2 .

It is a cyclic number.

It is not a de Polignac number, because 406552277 - 2¹⁰ = 406551253 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406552277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406552271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203276138 + 203276139.

It is an arithmetic number, because the mean of its divisors is an integer number (203276139).

Almost surely, 2^406552277 is an apocalyptic number.

It is an amenable number.

406552277 is a deficient number, since it is larger than the sum of its proper divisors (1).

406552277 is an equidigital number, since it uses as much as digits as its factorization.

406552277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 406552277 is about 20163.1415459000. The cubic root of 406552277 is about 740.8076627251.

The spelling of 406552277 in words is "four hundred six million, five hundred fifty-two thousand, two hundred seventy-seven".