2552741 has 4 divisors (see below), whose sum is σ = 2621772. Its totient is φ = 2483712.

The previous prime is 2552729. The next prime is 2552761. The reversal of 2552741 is 1472552.

2552741 = 148² + 149² + ... + 221².

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

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 1221025 = 1154^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552741 - 2⁶ = 2552677 is a prime.

It is a super-2 number, since 2×2552741² = 13032973226162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2552741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552761) 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 in 3 ways as a sum of consecutive naturals, for example, 34460 + ... + 34533.

It is an arithmetic number, because the mean of its divisors is an integer number (655443).

2^2552741 is an apocalyptic number.

It is an amenable number.

2552741 is a deficient number, since it is larger than the sum of its proper divisors (69031).

2552741 is an equidigital number, since it uses as much as digits as its factorization.

2552741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69030.

The product of its digits is 2800, while the sum is 26.

The square root of 2552741 is about 1597.7299521509. The cubic root of 2552741 is about 136.6686542113.

The spelling of 2552741 in words is "two million, five hundred fifty-two thousand, seven hundred forty-one".