2565466043 has 8 divisors (see below), whose sum is σ = 3000146688. Its totient is φ = 2147831784.

The previous prime is 2565466031. The next prime is 2565466061. The reversal of 2565466043 is 3406645652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2565466043 - 2⁴ = 2565466027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2565462043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261271 + ... + 4261872.

It is an arithmetic number, because the mean of its divisors is an integer number (375018336).

Almost surely, 2^2565466043 is an apocalyptic number.

2565466043 is a deficient number, since it is larger than the sum of its proper divisors (434680645).

2565466043 is an equidigital number, since it uses as much as digits as its factorization.

2565466043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523193.

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 2565466043 is about 50650.4298402294. The cubic root of 2565466043 is about 1368.9536904233.

The spelling of 2565466043 in words is "two billion, five hundred sixty-five million, four hundred sixty-six thousand, forty-three".