2550979 has 4 divisors (see below), whose sum is σ = 2613240. Its totient is φ = 2488720.

The previous prime is 2550973. The next prime is 2550991. The reversal of 2550979 is 9790552.

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

It is a cyclic number.

It is not a de Polignac number, because 2550979 - 2³ = 2550971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550971) 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, 31069 + ... + 31150.

It is an arithmetic number, because the mean of its divisors is an integer number (653310).

2^2550979 is an apocalyptic number.

2550979 is a deficient number, since it is larger than the sum of its proper divisors (62261).

2550979 is an equidigital number, since it uses as much as digits as its factorization.

2550979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62260.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 2550979 is about 1597.1784496417. The cubic root of 2550979 is about 136.6372023202.

The spelling of 2550979 in words is "two million, five hundred fifty thousand, nine hundred seventy-nine".