2088531 has 16 divisors (see below), whose sum is σ = 3128320. Its totient is φ = 1377000.

The previous prime is 2088517. The next prime is 2088547. The reversal of 2088531 is 1358802.

It is a happy number.

It is not a de Polignac number, because 2088531 - 2⁷ = 2088403 is a prime.

It is a super-2 number, since 2×2088531² = 8723923475922, which contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2088495 and 2088504.

It is not an unprimeable number, because it can be changed into a prime (2088511) 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, 2406 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (195520).

2^2088531 is an apocalyptic number.

2088531 is a deficient number, since it is larger than the sum of its proper divisors (1039789).

2088531 is a wasteful number, since it uses less digits than its factorization.

2088531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2088531 is about 1445.1750758991. The cubic root of 2088531 is about 127.8243644173.

The spelling of 2088531 in words is "two million, eighty-eight thousand, five hundred thirty-one".