2531853 has 6 divisors (see below), whose sum is σ = 3657134. Its totient is φ = 1687896.

The previous prime is 2531833. The next prime is 2531869. The reversal of 2531853 is 3581352.

It can be written as a sum of positive squares in only one way, i.e., 2304324 + 227529 = 1518^2 + 477^2 .

It is not a de Polignac number, because 2531853 - 2⁵ = 2531821 is a prime.

It is a super-2 number, since 2×2531853² = 12820559227218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140650 + ... + 140667.

2^2531853 is an apocalyptic number.

It is an amenable number.

2531853 is a deficient number, since it is larger than the sum of its proper divisors (1125281).

2531853 is a wasteful number, since it uses less digits than its factorization.

2531853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281323 (or 281320 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2531853 is about 1591.1797510024. The cubic root of 2531853 is about 136.2948655658.

It can be divided in two parts, 25 and 31853, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 2531853 in words is "two million, five hundred thirty-one thousand, eight hundred fifty-three".