1662525452 has 12 divisors (see below), whose sum is σ = 3325050960. Its totient is φ = 712510896.

The previous prime is 1662525439. The next prime is 1662525457. The reversal of 1662525452 is 2545252661.

It is a happy number.

1662525452 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1662525457) 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, 29687927 + ... + 29687982.

It is an arithmetic number, because the mean of its divisors is an integer number (277087580).

Almost surely, 2^1662525452 is an apocalyptic number.

It is an amenable number.

1662525452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1662525452 is a wasteful number, since it uses less digits than its factorization.

1662525452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59375920 (or 59375918 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 1662525452 is about 40774.0781870050. The cubic root of 1662525452 is about 1184.6482964640.

The spelling of 1662525452 in words is "one billion, six hundred sixty-two million, five hundred twenty-five thousand, four hundred fifty-two".