2535540 has 48 divisors (see below), whose sum is σ = 8115072. Its totient is φ = 579456.

The previous prime is 2535527. The next prime is 2535541. The reversal of 2535540 is 455352.

It is a self number, because there is not a number n which added to its sum of digits gives 2535540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2535541) 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, 2599 + ... + 3438.

It is an arithmetic number, because the mean of its divisors is an integer number (169064).

2^2535540 is an apocalyptic number.

2535540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2535540 is an abundant number, since it is smaller than the sum of its proper divisors (5579532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2535540 is a wasteful number, since it uses less digits than its factorization.

2535540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056 (or 6054 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2535540 is about 1592.3379038383. The cubic root of 2535540 is about 136.3609930801.

It can be divided in two parts, 2535 and 540, that multiplied together give a square (1368900 = 1170²).

The spelling of 2535540 in words is "two million, five hundred thirty-five thousand, five hundred forty".