2520045602 has 4 divisors (see below), whose sum is σ = 3780068406. Its totient is φ = 1260022800.

The previous prime is 2520045581. The next prime is 2520045613. The reversal of 2520045602 is 2065400252.

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., 1346229481 + 1173816121 = 36691^2 + 34261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630011399 + ... + 630011402.

Almost surely, 2^2520045602 is an apocalyptic number.

2520045602 is a deficient number, since it is larger than the sum of its proper divisors (1260022804).

2520045602 is a wasteful number, since it uses less digits than its factorization.

2520045602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260022803.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2520045602 is about 50200.0557967817. The cubic root of 2520045602 is about 1360.8266316123.

Adding to 2520045602 its reverse (2065400252), we get a palindrome (4585445854).

The spelling of 2520045602 in words is "two billion, five hundred twenty million, forty-five thousand, six hundred two".