2153202530 has 8 divisors (see below), whose sum is σ = 3875764572. Its totient is φ = 861281008.

The previous prime is 2153202521. The next prime is 2153202547. The reversal of 2153202530 is 352023512.

It can be written as a sum of positive squares in 2 ways, for example, as 2043853681 + 109348849 = 45209^2 + 10457^2 .

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

It is a super-2 number, since 2×2153202530² = 9272562270396801800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2153202496 and 2153202505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107660117 + ... + 107660136.

Almost surely, 2^2153202530 is an apocalyptic number.

2153202530 is a deficient number, since it is larger than the sum of its proper divisors (1722562042).

2153202530 is a wasteful number, since it uses less digits than its factorization.

2153202530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215320260.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2153202530 is about 46402.6133962302. The cubic root of 2153202530 is about 1291.3033978830.

The spelling of 2153202530 in words is "two billion, one hundred fifty-three million, two hundred two thousand, five hundred thirty".