2532123661 has 8 divisors (see below), whose sum is σ = 2621152800. Its totient is φ = 2443208880.

The previous prime is 2532123653. The next prime is 2532123677. The reversal of 2532123661 is 1663212352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2532123661 - 2³ = 2532123653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532123691) 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, 17770 + ... + 73348.

It is an arithmetic number, because the mean of its divisors is an integer number (327644100).

Almost surely, 2^2532123661 is an apocalyptic number.

It is an amenable number.

2532123661 is a deficient number, since it is larger than the sum of its proper divisors (89029139).

2532123661 is a wasteful number, since it uses less digits than its factorization.

2532123661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57179.

The product of its digits is 12960, while the sum is 31.

The square root of 2532123661 is about 50320.2112575057. The cubic root of 2532123661 is about 1362.9972213927.

The spelling of 2532123661 in words is "two billion, five hundred thirty-two million, one hundred twenty-three thousand, six hundred sixty-one".