2565002434 has 8 divisors (see below), whose sum is σ = 3971616768. Its totient is φ = 1241130180.

The previous prime is 2565002399. The next prime is 2565002437. The reversal of 2565002434 is 4342005652.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2565002396 and 2565002405.

It is not an unprimeable number, because it can be changed into a prime (2565002437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20685442 + ... + 20685565.

It is an arithmetic number, because the mean of its divisors is an integer number (496452096).

Almost surely, 2^2565002434 is an apocalyptic number.

2565002434 is a deficient number, since it is larger than the sum of its proper divisors (1406614334).

2565002434 is a wasteful number, since it uses less digits than its factorization.

2565002434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41371040.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2565002434 is about 50645.8530780162. The cubic root of 2565002434 is about 1368.8712236025.

The spelling of 2565002434 in words is "two billion, five hundred sixty-five million, two thousand, four hundred thirty-four".