2550733 has 4 divisors (see below), whose sum is σ = 2612988. Its totient is φ = 2488480.

The previous prime is 2550727. The next prime is 2550739. The reversal of 2550733 is 3370552.

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 (2550727) and next prime (2550739).

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 2439844 = 333^2 + 1562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550733 is a prime.

It is a Duffinian number.

2550733 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2550698 and 2550707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31066 + ... + 31147.

It is an arithmetic number, because the mean of its divisors is an integer number (653247).

2^2550733 is an apocalyptic number.

It is an amenable number.

2550733 is a deficient number, since it is larger than the sum of its proper divisors (62255).

2550733 is an equidigital number, since it uses as much as digits as its factorization.

2550733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62254.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 2550733 is about 1597.1014369789. The cubic root of 2550733 is about 136.6328100415.

The spelling of 2550733 in words is "two million, five hundred fifty thousand, seven hundred thirty-three".