2130254521 has 8 divisors (see below), whose sum is σ = 2243696000. Its totient is φ = 2016945360.

The previous prime is 2130254491. The next prime is 2130254551. The reversal of 2130254521 is 1254520312.

It is an interprime number because it is at equal distance from previous prime (2130254491) and next prime (2130254551).

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

It is a cyclic number.

It is not a de Polignac number, because 2130254521 - 2¹³ = 2130246329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130254551) 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, 880 + ... + 65278.

It is an arithmetic number, because the mean of its divisors is an integer number (280462000).

Almost surely, 2^2130254521 is an apocalyptic number.

It is an amenable number.

2130254521 is a deficient number, since it is larger than the sum of its proper divisors (113441479).

2130254521 is a wasteful number, since it uses less digits than its factorization.

2130254521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66159.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2130254521 is about 46154.6803802171. The cubic root of 2130254521 is about 1286.6995978563.

Adding to 2130254521 its reverse (1254520312), we get a palindrome (3384774833).

The spelling of 2130254521 in words is "two billion, one hundred thirty million, two hundred fifty-four thousand, five hundred twenty-one".