2487656452 has 6 divisors (see below), whose sum is σ = 4353398798. Its totient is φ = 1243828224.

The previous prime is 2487656449. The next prime is 2487656477. The reversal of 2487656452 is 2546567842.

It can be written as a sum of positive squares in only one way, i.e., 1748577856 + 739078596 = 41816^2 + 27186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2487656396 and 2487656405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310957053 + ... + 310957060.

Almost surely, 2^2487656452 is an apocalyptic number.

It is an amenable number.

2487656452 is a deficient number, since it is larger than the sum of its proper divisors (1865742346).

2487656452 is a wasteful number, since it uses less digits than its factorization.

2487656452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621914117 (or 621914115 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The square root of 2487656452 is about 49876.4117795176. The cubic root of 2487656452 is about 1354.9714189947.

The spelling of 2487656452 in words is "two billion, four hundred eighty-seven million, six hundred fifty-six thousand, four hundred fifty-two".