2652540 has 48 divisors (see below), whose sum is σ = 8104320. Its totient is φ = 642880.

The previous prime is 2652511. The next prime is 2652553. The reversal of 2652540 is 452562.

2652540 = T₃₂₅ + T₃₂₆ + ... + T₃₆₈.

It is a self number, because there is not a number n which added to its sum of digits gives 2652540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (168840).

2^2652540 is an apocalyptic number.

2652540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2652540 is an abundant number, since it is smaller than the sum of its proper divisors (5451780).

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

2652540 is a wasteful number, since it uses less digits than its factorization.

2652540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042 (or 4040 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2652540 is about 1628.6620275551. The cubic root of 2652540 is about 138.4269490997.

It can be divided in two parts, 26525 and 40, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 2652540 in words is "two million, six hundred fifty-two thousand, five hundred forty".