2506031065 has 16 divisors (see below), whose sum is σ = 3071037888. Its totient is φ = 1962465856.

The previous prime is 2506031009. The next prime is 2506031107. The reversal of 2506031065 is 5601306052.

It is a cyclic number.

It is not a de Polignac number, because 2506031065 - 2¹³ = 2506022873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106722 + ... + 128068.

It is an arithmetic number, because the mean of its divisors is an integer number (191939868).

Almost surely, 2^2506031065 is an apocalyptic number.

It is an amenable number.

2506031065 is a deficient number, since it is larger than the sum of its proper divisors (565006823).

2506031065 is a wasteful number, since it uses less digits than its factorization.

2506031065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21848.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2506031065 is about 50060.2743200634. The cubic root of 2506031065 is about 1358.2993204459.

The spelling of 2506031065 in words is "two billion, five hundred six million, thirty-one thousand, sixty-five".