2157060530 has 8 divisors (see below), whose sum is σ = 3882708972. Its totient is φ = 862824208.

The previous prime is 2157060527. The next prime is 2157060533. The reversal of 2157060530 is 350607512.

2157060530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2157060527) and next prime (2157060533).

It can be written as a sum of positive squares in 2 ways, for example, as 2153795281 + 3265249 = 46409^2 + 1807^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2157060493 and 2157060502.

It is not an unprimeable number, because it can be changed into a prime (2157060533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107853017 + ... + 107853036.

Almost surely, 2^2157060530 is an apocalyptic number.

2157060530 is a deficient number, since it is larger than the sum of its proper divisors (1725648442).

2157060530 is a wasteful number, since it uses less digits than its factorization.

2157060530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215706060.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2157060530 is about 46444.1657261706. The cubic root of 2157060530 is about 1292.0741685513.

The spelling of 2157060530 in words is "two billion, one hundred fifty-seven million, sixty thousand, five hundred thirty".