2553394 has 8 divisors (see below), whose sum is σ = 3882780. Its totient is φ = 1259136.

The previous prime is 2553389. The next prime is 2553403. The reversal of 2553394 is 4933552.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 288369 = 1505^2 + 537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 8599 + ... + 8890.

2^2553394 is an apocalyptic number.

2553394 is a deficient number, since it is larger than the sum of its proper divisors (1329386).

2553394 is a wasteful number, since it uses less digits than its factorization.

2553394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564.

The product of its digits is 16200, while the sum is 31.

The square root of 2553394 is about 1597.9342915151. The cubic root of 2553394 is about 136.6803066563.

The spelling of 2553394 in words is "two million, five hundred fifty-three thousand, three hundred ninety-four".