2252691 has 40 divisors (see below), whose sum is σ = 4007520. Its totient is φ = 1233792.

The previous prime is 2252683. The next prime is 2252693. The reversal of 2252691 is 1962522.

2252691 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2252691 - 2³ = 2252683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2⁶ + 2¹¹ + 5⁸ + 2²⁰ + 6⁷ + 9⁶ + 1 .

2252691 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252693) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16375 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (100188).

2^2252691 is an apocalyptic number.

2252691 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2252691 is a deficient number, since it is larger than the sum of its proper divisors (1754829).

2252691 is a wasteful number, since it uses less digits than its factorization.

2252691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 176 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2252691 is about 1500.8967319573. The cubic root of 2252691 is about 131.0892890097.

It can be divided in two parts, 225 and 2691, that added together give a square (2916 = 54²).

The spelling of 2252691 in words is "two million, two hundred fifty-two thousand, six hundred ninety-one".