2553494 has 4 divisors (see below), whose sum is σ = 3830244. Its totient is φ = 1276746.

The previous prime is 2553491. The next prime is 2553497. The reversal of 2553494 is 4943552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2553491) and next prime (2553497).

It is a super-3 number, since 3×2553494³ = 49948882917390833352, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2 + 5⁵ + 5⁹ + 3¹² + 4⁴ + 9 + 4⁸ .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2553494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638372 + ... + 638375.

It is an arithmetic number, because the mean of its divisors is an integer number (957561).

2^2553494 is an apocalyptic number.

2553494 is a deficient number, since it is larger than the sum of its proper divisors (1276750).

2553494 is a wasteful number, since it uses less digits than its factorization.

2553494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276749.

The product of its digits is 21600, while the sum is 32.

The square root of 2553494 is about 1597.9655816068. The cubic root of 2553494 is about 136.6820909289.

The spelling of 2553494 in words is "two million, five hundred fifty-three thousand, four hundred ninety-four".