1653252 has 12 divisors (see below), whose sum is σ = 3857616. Its totient is φ = 551080.

The previous prime is 1653251. The next prime is 1653259. The reversal of 1653252 is 2523561.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1653251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68874 + ... + 68897.

It is an arithmetic number, because the mean of its divisors is an integer number (321468).

2^1653252 is an apocalyptic number.

1653252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1653252 is an abundant number, since it is smaller than the sum of its proper divisors (2204364).

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

1653252 is a wasteful number, since it uses less digits than its factorization.

1653252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137778 (or 137776 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 1653252 is about 1285.7884740501. The cubic root of 1653252 is about 118.2441559597.

The spelling of 1653252 in words is "one million, six hundred fifty-three thousand, two hundred fifty-two".