2565148606 has 16 divisors (see below), whose sum is σ = 3920076000. Its totient is φ = 1258633728.

The previous prime is 2565148601. The next prime is 2565148609. The reversal of 2565148606 is 6068415652.

It is a super-3 number, since 3×2565148606³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565148601) 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, 15091 + ... + 73198.

It is an arithmetic number, because the mean of its divisors is an integer number (245004750).

Almost surely, 2^2565148606 is an apocalyptic number.

2565148606 is a deficient number, since it is larger than the sum of its proper divisors (1354927394).

2565148606 is a wasteful number, since it uses less digits than its factorization.

2565148606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88563.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2565148606 is about 50647.2961371088. The cubic root of 2565148606 is about 1368.8972257668.

The spelling of 2565148606 in words is "two billion, five hundred sixty-five million, one hundred forty-eight thousand, six hundred six".