2521935 has 40 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 1238976.

The previous prime is 2521921. The next prime is 2521949. The reversal of 2521935 is 5391252.

It is an interprime number because it is at equal distance from previous prime (2521921) and next prime (2521949).

It is not a de Polignac number, because 2521935 - 2⁴ = 2521919 is a prime.

It is a super-2 number, since 2×2521935² = 12720312288450, which contains 22 as substring.

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

It is a d-powerful number, because it can be written as 2² + 5⁸ + 2¹⁰ + 1 + 9 + 3¹¹ + 5⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2521899 and 2521908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5026 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2^2521935 is an apocalyptic number.

2521935 is a deficient number, since it is larger than the sum of its proper divisors (2356785).

2521935 is a wasteful number, since it uses less digits than its factorization.

2521935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2521935 is about 1588.0601374003. The cubic root of 2521935 is about 136.1166638795.

It can be divided in two parts, 252 and 1935, that added together give a 7-th power (2187 = 3⁷).

The spelling of 2521935 in words is "two million, five hundred twenty-one thousand, nine hundred thirty-five".