2130351 has 8 divisors (see below), whose sum is σ = 2932224. Its totient is φ = 1374360.

The previous prime is 2130347. The next prime is 2130367. The reversal of 2130351 is 1530312.

2130351 = 154² + 155² + ... + 215².

It is a happy number.

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

It is not a de Polignac number, because 2130351 - 2² = 2130347 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130341) 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, 11361 + ... + 11546.

It is an arithmetic number, because the mean of its divisors is an integer number (366528).

2^2130351 is an apocalyptic number.

2130351 is a deficient number, since it is larger than the sum of its proper divisors (801873).

2130351 is a wasteful number, since it uses less digits than its factorization.

2130351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2130351 is about 1459.5721975976. The cubic root of 2130351 is about 128.6719022392.

Adding to 2130351 its reverse (1530312), we get a palindrome (3660663).

The spelling of 2130351 in words is "two million, one hundred thirty thousand, three hundred fifty-one".