2151294 has 32 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 669312.

The previous prime is 2151293. The next prime is 2151301. The reversal of 2151294 is 4921512.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 12799 + ... + 12965.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^2151294 is an apocalyptic number.

2151294 is an abundant number, since it is smaller than the sum of its proper divisors (2445186).

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

2151294 is a wasteful number, since it uses less digits than its factorization.

2151294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 720, while the sum is 24.

The square root of 2151294 is about 1466.7290138263. The cubic root of 2151294 is about 129.0921761731.

It can be divided in two parts, 21 and 51294, that added together give a palindrome (51315).

The spelling of 2151294 in words is "two million, one hundred fifty-one thousand, two hundred ninety-four".