2552091 has 16 divisors (see below), whose sum is σ = 3636864. Its totient is φ = 1586304.

The previous prime is 2552059. The next prime is 2552107. The reversal of 2552091 is 1902552.

It is not a de Polignac number, because 2552091 - 2⁵ = 2552059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2552021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8160 + ... + 8466.

It is an arithmetic number, because the mean of its divisors is an integer number (227304).

2^2552091 is an apocalyptic number.

2552091 is a deficient number, since it is larger than the sum of its proper divisors (1084773).

2552091 is a wasteful number, since it uses less digits than its factorization.

2552091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

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

The square root of 2552091 is about 1597.5265256014. The cubic root of 2552091 is about 136.6570533260.

It can be divided in two parts, 255 and 2091, that added together give a triangular number (2346 = T₆₈).

The spelling of 2552091 in words is "two million, five hundred fifty-two thousand, ninety-one".