2550129 has 4 divisors (see below), whose sum is σ = 3400176. Its totient is φ = 1700084.

The previous prime is 2550101. The next prime is 2550133. The reversal of 2550129 is 9210552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2550129 - 2⁷ = 2550001 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2550099 and 2550108.

It is not an unprimeable number, because it can be changed into a prime (2550139) 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, 425019 + ... + 425024.

It is an arithmetic number, because the mean of its divisors is an integer number (850044).

2^2550129 is an apocalyptic number.

It is an amenable number.

2550129 is a deficient number, since it is larger than the sum of its proper divisors (850047).

2550129 is an equidigital number, since it uses as much as digits as its factorization.

2550129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850046.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2550129 is about 1596.9123332231. The cubic root of 2550129 is about 136.6220245494.

The spelling of 2550129 in words is "two million, five hundred fifty thousand, one hundred twenty-nine".