2534540 has 24 divisors (see below), whose sum is σ = 5352480. Its totient is φ = 1008128.

The previous prime is 2534527. The next prime is 2534551. The reversal of 2534540 is 454352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6881 + ... + 7239.

It is an arithmetic number, because the mean of its divisors is an integer number (223020).

2^2534540 is an apocalyptic number.

2534540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2534540 is an abundant number, since it is smaller than the sum of its proper divisors (2817940).

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

2534540 is a wasteful number, since it uses less digits than its factorization.

2534540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2534540 is about 1592.0238691678. The cubic root of 2534540 is about 136.3430641019.

Adding to 2534540 its reverse (454352), we get a palindrome (2988892).

The spelling of 2534540 in words is "two million, five hundred thirty-four thousand, five hundred forty".