2251258 has 4 divisors (see below), whose sum is σ = 3376890. Its totient is φ = 1125628.

The previous prime is 2251229. The next prime is 2251279. The reversal of 2251258 is 8521522.

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., 2140369 + 110889 = 1463^2 + 333^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562813 + ... + 562816.

2^2251258 is an apocalyptic number.

2251258 is a deficient number, since it is larger than the sum of its proper divisors (1125632).

2251258 is a wasteful number, since it uses less digits than its factorization.

2251258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125631.

The product of its digits is 1600, while the sum is 25.

The square root of 2251258 is about 1500.4192747362. The cubic root of 2251258 is about 131.0614865876.

The spelling of 2251258 in words is "two million, two hundred fifty-one thousand, two hundred fifty-eight".