895049261 has 2 divisors, whose sum is σ = 895049262. Its totient is φ = 895049260.

The previous prime is 895049251. The next prime is 895049291. The reversal of 895049261 is 162940598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695957161 + 199092100 = 26381^2 + 14110^2 .

It is a cyclic number.

It is not a de Polignac number, because 895049261 - 2¹⁰ = 895048237 is a prime.

It is a super-2 number, since 2×895049261² = 1602226359233292242, 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 (895049251) 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, 447524630 + 447524631.

It is an arithmetic number, because the mean of its divisors is an integer number (447524631).

Almost surely, 2^895049261 is an apocalyptic number.

It is an amenable number.

895049261 is a deficient number, since it is larger than the sum of its proper divisors (1).

895049261 is an equidigital number, since it uses as much as digits as its factorization.

895049261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 895049261 is about 29917.3738987900. The cubic root of 895049261 is about 963.7158004331.

The spelling of 895049261 in words is "eight hundred ninety-five million, forty-nine thousand, two hundred sixty-one".