411861269 has 2 divisors, whose sum is σ = 411861270. Its totient is φ = 411861268.

The previous prime is 411861223. The next prime is 411861283. The reversal of 411861269 is 962168114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244547044 + 167314225 = 15638^2 + 12935^2 .

It is a cyclic number.

It is not a de Polignac number, because 411861269 - 2⁸ = 411861013 is a prime.

It is a super-2 number, since 2×411861269² = 339259409804580722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411861209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205930634 + 205930635.

It is an arithmetic number, because the mean of its divisors is an integer number (205930635).

Almost surely, 2^411861269 is an apocalyptic number.

It is an amenable number.

411861269 is a deficient number, since it is larger than the sum of its proper divisors (1).

411861269 is an equidigital number, since it uses as much as digits as its factorization.

411861269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 411861269 is about 20294.3654495527. The cubic root of 411861269 is about 744.0183572811.

The spelling of 411861269 in words is "four hundred eleven million, eight hundred sixty-one thousand, two hundred sixty-nine".