2151514 has 4 divisors (see below), whose sum is σ = 3227274. Its totient is φ = 1075756.

The previous prime is 2151511. The next prime is 2151517. The reversal of 2151514 is 4151512.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2151511) and next prime (2151517).

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 233289 = 1385^2 + 483^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2151491 and 2151500.

It is not an unprimeable number, because it can be changed into a prime (2151511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537877 + ... + 537880.

2^2151514 is an apocalyptic number.

2151514 is a deficient number, since it is larger than the sum of its proper divisors (1075760).

2151514 is a wasteful number, since it uses less digits than its factorization.

2151514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075759.

The product of its digits is 200, while the sum is 19.

The square root of 2151514 is about 1466.8040087210. The cubic root of 2151514 is about 129.0965765187.

The spelling of 2151514 in words is "two million, one hundred fifty-one thousand, five hundred fourteen".