2251492 has 12 divisors (see below), whose sum is σ = 3979836. Its totient is φ = 1114400.

The previous prime is 2251489. The next prime is 2251507. The reversal of 2251492 is 2941522.

2251492 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 1115136 = 1066^2 + 1056^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (331653).

2^2251492 is an apocalyptic number.

It is an amenable number.

2251492 is a deficient number, since it is larger than the sum of its proper divisors (1728344).

2251492 is a wasteful number, since it uses less digits than its factorization.

2251492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678 (or 5676 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 2251492 is about 1500.4972509138. The cubic root of 2251492 is about 131.0660273563.

The spelling of 2251492 in words is "two million, two hundred fifty-one thousand, four hundred ninety-two".