2550626 has 8 divisors (see below), whose sum is σ = 4120284. Its totient is φ = 1177200.

The previous prime is 2550619. The next prime is 2550641. The reversal of 2550626 is 6260552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 491401 = 1435^2 + 701^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 98101 = 2550626 / (2 + 5 + 5 + 0 + 6 + 2 + 6).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁶ + 5⁴ + 5⁴ + 0 + 6⁷ + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2550595 and 2550604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49025 + ... + 49076.

2^2550626 is an apocalyptic number.

2550626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2550626 is a deficient number, since it is larger than the sum of its proper divisors (1569658).

2550626 is a wasteful number, since it uses less digits than its factorization.

2550626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98116.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2550626 is about 1597.0679384422. The cubic root of 2550626 is about 136.6308994907.

The spelling of 2550626 in words is "two million, five hundred fifty thousand, six hundred twenty-six".