2151093 has 8 divisors (see below), whose sum is σ = 3277888. Its totient is φ = 1229184.

The previous prime is 2151089. The next prime is 2151101. The reversal of 2151093 is 3901512.

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

It is not a de Polignac number, because 2151093 - 2² = 2151089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 102433 = 2151093 / (2 + 1 + 5 + 1 + 0 + 9 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151013) 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, 51196 + ... + 51237.

It is an arithmetic number, because the mean of its divisors is an integer number (409736).

2^2151093 is an apocalyptic number.

It is an amenable number.

2151093 is a deficient number, since it is larger than the sum of its proper divisors (1126795).

2151093 is a wasteful number, since it uses less digits than its factorization.

2151093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102443.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2151093 is about 1466.6604924112. The cubic root of 2151093 is about 129.0881555952.

The spelling of 2151093 in words is "two million, one hundred fifty-one thousand, ninety-three".