2151030 has 32 divisors (see below), whose sum is σ = 5900544. Its totient is φ = 491616.

The previous prime is 2151013. The next prime is 2151031. The reversal of 2151030 is 301512.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2150997 and 2151015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4912 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (184392).

2^2151030 is an apocalyptic number.

2151030 is an abundant number, since it is smaller than the sum of its proper divisors (3749514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151030 is a wasteful number, since it uses less digits than its factorization.

2151030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10260.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2151030 is about 1466.6390148908. The cubic root of 2151030 is about 129.0868953625.

Adding to 2151030 its reverse (301512), we get a palindrome (2452542).

The spelling of 2151030 in words is "two million, one hundred fifty-one thousand, thirty".