2124552361 has 4 divisors (see below), whose sum is σ = 2153655892. Its totient is φ = 2095448832.

The previous prime is 2124552359. The next prime is 2124552403. The reversal of 2124552361 is 1632554212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 771783961 + 1352768400 = 27781^2 + 36780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124552361 - 2¹ = 2124552359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124552161) 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, 14551656 + ... + 14551801.

It is an arithmetic number, because the mean of its divisors is an integer number (538413973).

Almost surely, 2^2124552361 is an apocalyptic number.

It is an amenable number.

2124552361 is a deficient number, since it is larger than the sum of its proper divisors (29103531).

2124552361 is an equidigital number, since it uses as much as digits as its factorization.

2124552361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29103530.

The product of its digits is 14400, while the sum is 31.

The square root of 2124552361 is about 46092.8667040791. The cubic root of 2124552361 is about 1285.5505140153.

The spelling of 2124552361 in words is "two billion, one hundred twenty-four million, five hundred fifty-two thousand, three hundred sixty-one".