2521152165 has 48 divisors (see below), whose sum is σ = 4697930880. Its totient is φ = 1151176320.

The previous prime is 2521152131. The next prime is 2521152167. The reversal of 2521152165 is 5612511252.

2521152165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521152165 - 2¹³ = 2521143973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521152167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 901920 + ... + 904710.

It is an arithmetic number, because the mean of its divisors is an integer number (97873560).

Almost surely, 2^2521152165 is an apocalyptic number.

It is an amenable number.

2521152165 is a deficient number, since it is larger than the sum of its proper divisors (2176778715).

2521152165 is a wasteful number, since it uses less digits than its factorization.

2521152165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042 (or 4035 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The square root of 2521152165 is about 50211.0761187211. The cubic root of 2521152165 is about 1361.0257840993.

The spelling of 2521152165 in words is "two billion, five hundred twenty-one million, one hundred fifty-two thousand, one hundred sixty-five".