2151298 has 4 divisors (see below), whose sum is σ = 3226950. Its totient is φ = 1075648.

The previous prime is 2151293. The next prime is 2151301. The reversal of 2151298 is 8921512.

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

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 227529 = 1387^2 + 477^2 .

It is not an unprimeable number, because it can be changed into a prime (2151293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537823 + ... + 537826.

2^2151298 is an apocalyptic number.

2151298 is a deficient number, since it is larger than the sum of its proper divisors (1075652).

2151298 is a wasteful number, since it uses less digits than its factorization.

2151298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075651.

The product of its digits is 1440, while the sum is 28.

The square root of 2151298 is about 1466.7303774041. The cubic root of 2151298 is about 129.0922561821.

The spelling of 2151298 in words is "two million, one hundred fifty-one thousand, two hundred ninety-eight".