2285942509 has 2 divisors, whose sum is σ = 2285942510. Its totient is φ = 2285942508.

The previous prime is 2285942501. The next prime is 2285942531. The reversal of 2285942509 is 9052495822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229917284 + 56025225 = 47222^2 + 7485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285942509 - 2³ = 2285942501 is a prime.

It is a super-3 number, since 3×2285942509³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2285942501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142971254 + 1142971255.

It is an arithmetic number, because the mean of its divisors is an integer number (1142971255).

Almost surely, 2^2285942509 is an apocalyptic number.

It is an amenable number.

2285942509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285942509 is an equidigital number, since it uses as much as digits as its factorization.

2285942509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 2285942509 is about 47811.5311300527. The cubic root of 2285942509 is about 1317.3113525959.

The spelling of 2285942509 in words is "two billion, two hundred eighty-five million, nine hundred forty-two thousand, five hundred nine".