2530120065 has 32 divisors (see below), whose sum is σ = 4418675712. Its totient is φ = 1226040000.

The previous prime is 2530120063. The next prime is 2530120097. The reversal of 2530120065 is 5600210352.

It is not a de Polignac number, because 2530120065 - 2¹ = 2530120063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530120063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417910 + ... + 423920.

It is an arithmetic number, because the mean of its divisors is an integer number (138083616).

Almost surely, 2^2530120065 is an apocalyptic number.

It is an amenable number.

2530120065 is a deficient number, since it is larger than the sum of its proper divisors (1888555647).

2530120065 is a wasteful number, since it uses less digits than its factorization.

2530120065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2530120065 is about 50300.2988559710. The cubic root of 2530120065 is about 1362.6376264760.

The spelling of 2530120065 in words is "two billion, five hundred thirty million, one hundred twenty thousand, sixty-five".