410555261 has 2 divisors, whose sum is σ = 410555262. Its totient is φ = 410555260.

The previous prime is 410555251. The next prime is 410555279. The reversal of 410555261 is 162555014.

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., 395771236 + 14784025 = 19894^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 410555261 - 2²² = 406360957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410555251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205277630 + 205277631.

It is an arithmetic number, because the mean of its divisors is an integer number (205277631).

Almost surely, 2^410555261 is an apocalyptic number.

It is an amenable number.

410555261 is a deficient number, since it is larger than the sum of its proper divisors (1).

410555261 is an equidigital number, since it uses as much as digits as its factorization.

410555261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 410555261 is about 20262.1632852961. The cubic root of 410555261 is about 743.2310996206.

The spelling of 410555261 in words is "four hundred ten million, five hundred fifty-five thousand, two hundred sixty-one".