2556062506 has 8 divisors (see below), whose sum is σ = 4059628740. Its totient is φ = 1202852928.

The previous prime is 2556062501. The next prime is 2556062507. The reversal of 2556062506 is 6052606552.

It can be written as a sum of positive squares in 2 ways, for example, as 1904536881 + 651525625 = 43641^2 + 25525^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2556062501) 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, 37589121 + ... + 37589188.

Almost surely, 2^2556062506 is an apocalyptic number.

2556062506 is a deficient number, since it is larger than the sum of its proper divisors (1503566234).

2556062506 is a wasteful number, since it uses less digits than its factorization.

2556062506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75178328.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2556062506 is about 50557.5168100650. The cubic root of 2556062506 is about 1367.2790411991.

The spelling of 2556062506 in words is "two billion, five hundred fifty-six million, sixty-two thousand, five hundred six".