2154250 has 32 divisors (see below), whose sum is σ = 4612608. Its totient is φ = 738000.

The previous prime is 2154241. The next prime is 2154259. The reversal of 2154250 is 524512.

It is an interprime number because it is at equal distance from previous prime (2154241) and next prime (2154259).

It is not an unprimeable number, because it can be changed into a prime (2154259) 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, 1135 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (144144).

2^2154250 is an apocalyptic number.

2154250 is an abundant number, since it is smaller than the sum of its proper divisors (2458358).

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

2154250 is a wasteful number, since it uses less digits than its factorization.

2154250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2154250 is about 1467.7363523467. The cubic root of 2154250 is about 129.1512757705.

Subtracting from 2154250 its product of nonzero digits (400), we obtain a triangular number (2153850 = T₂₀₇₅).

Adding to 2154250 its reverse (524512), we get a palindrome (2678762).

It can be divided in two parts, 215 and 4250, that added together give a triangular number (4465 = T₉₄).

The spelling of 2154250 in words is "two million, one hundred fifty-four thousand, two hundred fifty".