2543244602 has 4 divisors (see below), whose sum is σ = 3814866906. Its totient is φ = 1271622300.

The previous prime is 2543244577. The next prime is 2543244607. The reversal of 2543244602 is 2064423452.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2306976961 + 236267641 = 48031^2 + 15371^2 .

It is not an unprimeable number, because it can be changed into a prime (2543244607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635811149 + ... + 635811152.

Almost surely, 2^2543244602 is an apocalyptic number.

2543244602 is a deficient number, since it is larger than the sum of its proper divisors (1271622304).

2543244602 is a wasteful number, since it uses less digits than its factorization.

2543244602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271622303.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2543244602 is about 50430.5919259332. The cubic root of 2543244602 is about 1364.9897089842.

The spelling of 2543244602 in words is "two billion, five hundred forty-three million, two hundred forty-four thousand, six hundred two".