2529631 has 8 divisors (see below), whose sum is σ = 2812544. Its totient is φ = 2259360.

The previous prime is 2529619. The next prime is 2529643. The reversal of 2529631 is 1369252.

It is an interprime number because it is at equal distance from previous prime (2529619) and next prime (2529643).

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

It is a cyclic number.

It is not a de Polignac number, because 2529631 - 2¹⁷ = 2398559 is a prime.

It is a super-2 number, since 2×2529631² = 12798065992322, which contains 22 as substring.

It is a Duffinian number.

2529631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2529631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (351568).

2^2529631 is an apocalyptic number.

2529631 is a deficient number, since it is larger than the sum of its proper divisors (282913).

2529631 is a wasteful number, since it uses less digits than its factorization.

2529631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321.

The product of its digits is 3240, while the sum is 28.

The square root of 2529631 is about 1590.4813736728. The cubic root of 2529631 is about 136.2549822828.

It can be divided in two parts, 2529 and 631, that added together give a triangular number (3160 = T₇₉).

The spelling of 2529631 in words is "two million, five hundred twenty-nine thousand, six hundred thirty-one".