1652540 has 24 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 648128.

The previous prime is 1652513. The next prime is 1652543. The reversal of 1652540 is 452561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^1652540 is an apocalyptic number.

1652540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652540 is an abundant number, since it is smaller than the sum of its proper divisors (1885540).

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

1652540 is a wasteful number, since it uses less digits than its factorization.

1652540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1652540 is about 1285.5115713209. The cubic root of 1652540 is about 118.2271789295.

The spelling of 1652540 in words is "one million, six hundred fifty-two thousand, five hundred forty".