2553747 has 8 divisors (see below), whose sum is σ = 3891456. Its totient is φ = 1459272.

The previous prime is 2553739. The next prime is 2553751. The reversal of 2553747 is 7473552.

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

It is not a de Polignac number, because 2553747 - 2³ = 2553739 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5⁵ + 5⁹ + 3¹² + 7² + 4⁸ + 7³ .

It is not an unprimeable number, because it can be changed into a prime (2553797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60783 + ... + 60824.

It is an arithmetic number, because the mean of its divisors is an integer number (486432).

2^2553747 is an apocalyptic number.

2553747 is a deficient number, since it is larger than the sum of its proper divisors (1337709).

2553747 is a wasteful number, since it uses less digits than its factorization.

2553747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121617.

The product of its digits is 29400, while the sum is 33.

The square root of 2553747 is about 1598.0447428029. The cubic root of 2553747 is about 136.6866049303.

It can be divided in two parts, 2553 and 747, that multiplied together give a palindrome (1907091).

The spelling of 2553747 in words is "two million, five hundred fifty-three thousand, seven hundred forty-seven".