2550747 has 8 divisors (see below), whose sum is σ = 3458880. Its totient is φ = 1671560.

The previous prime is 2550739. The next prime is 2550763. The reversal of 2550747 is 7470552.

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

It is a cyclic number.

It is not a de Polignac number, because 2550747 - 2³ = 2550739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2550727) 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, 7029 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (432360).

2^2550747 is an apocalyptic number.

2550747 is a deficient number, since it is larger than the sum of its proper divisors (908133).

2550747 is a wasteful number, since it uses less digits than its factorization.

2550747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14473.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 2550747 is about 1597.1058199130. The cubic root of 2550747 is about 136.6330600162.

The spelling of 2550747 in words is "two million, five hundred fifty thousand, seven hundred forty-seven".