2061530 has 8 divisors (see below), whose sum is σ = 3710772. Its totient is φ = 824608.

The previous prime is 2061503. The next prime is 2061533. The reversal of 2061530 is 351602.

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 104329 = 1399^2 + 323^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2061499 and 2061508.

It is not an unprimeable number, because it can be changed into a prime (2061533) 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, 103067 + ... + 103086.

2^2061530 is an apocalyptic number.

2061530 is a deficient number, since it is larger than the sum of its proper divisors (1649242).

2061530 is a wasteful number, since it uses less digits than its factorization.

2061530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206160.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2061530 is about 1435.8029112660. The cubic root of 2061530 is about 127.2711259848.

The spelling of 2061530 in words is "two million, sixty-one thousand, five hundred thirty".