2551752 has 96 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 708480.

The previous prime is 2551733. The next prime is 2551793. The reversal of 2551752 is 2571552.

It is a happy number.

It is a super-2 number, since 2×2551752² = 13022876539008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30703 + ... + 30785.

It is an arithmetic number, because the mean of its divisors is an integer number (84630).

2^2551752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4062240).

2551752 is an abundant number, since it is smaller than the sum of its proper divisors (5572728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551752 is a wasteful number, since it uses less digits than its factorization.

2551752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 156 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 2551752 is about 1597.4204205531. The cubic root of 2551752 is about 136.6510022366.

The spelling of 2551752 in words is "two million, five hundred fifty-one thousand, seven hundred fifty-two".