2550973 has 2 divisors, whose sum is σ = 2550974. Its totient is φ = 2550972.

The previous prime is 2550971. The next prime is 2550991. The reversal of 2550973 is 3790552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 842724 = 1307^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550973 - 2¹ = 2550971 is a prime.

Together with 2550971, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275486 + 1275487.

It is an arithmetic number, because the mean of its divisors is an integer number (1275487).

2^2550973 is an apocalyptic number.

It is an amenable number.

2550973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550973 is an equidigital number, since it uses as much as digits as its factorization.

2550973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 2550973 is about 1597.1765713283. The cubic root of 2550973 is about 136.6370951949.

The spelling of 2550973 in words is "two million, five hundred fifty thousand, nine hundred seventy-three".