2531535 has 8 divisors (see below), whose sum is σ = 4050480. Its totient is φ = 1350144.

The previous prime is 2531533. The next prime is 2531537. The reversal of 2531535 is 5351352.

2531535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2531533) and next prime (2531537).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2531535 - 2¹ = 2531533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84370 + ... + 84399.

It is an arithmetic number, because the mean of its divisors is an integer number (506310).

2^2531535 is an apocalyptic number.

2531535 is a deficient number, since it is larger than the sum of its proper divisors (1518945).

2531535 is a wasteful number, since it uses less digits than its factorization.

2531535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168777.

The product of its digits is 2250, while the sum is 24.

The square root of 2531535 is about 1591.0798220077. The cubic root of 2531535 is about 136.2891591284.

Adding to 2531535 its reverse (5351352), we get a palindrome (7882887).

The spelling of 2531535 in words is "two million, five hundred thirty-one thousand, five hundred thirty-five".