2088551 has 4 divisors (see below), whose sum is σ = 2160600. Its totient is φ = 2016504.

The previous prime is 2088547. The next prime is 2088557. The reversal of 2088551 is 1558802.

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 2088551 - 2² = 2088547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 72019 = 2088551 / (2 + 0 + 8 + 8 + 5 + 5 + 1).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088557) 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, 35981 + ... + 36038.

It is an arithmetic number, because the mean of its divisors is an integer number (540150).

2^2088551 is an apocalyptic number.

2088551 is a deficient number, since it is larger than the sum of its proper divisors (72049).

2088551 is an equidigital number, since it uses as much as digits as its factorization.

2088551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72048.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 2088551 is about 1445.1819954594. The cubic root of 2088551 is about 127.8247724360.

The spelling of 2088551 in words is "two million, eighty-eight thousand, five hundred fifty-one".