2856542545 has 4 divisors (see below), whose sum is σ = 3427851060. Its totient is φ = 2285234032.

The previous prime is 2856542539. The next prime is 2856542551. The reversal of 2856542545 is 5452456582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5452456582 = 2 ⋅2726228291.

It is an interprime number because it is at equal distance from previous prime (2856542539) and next prime (2856542551).

It can be written as a sum of positive squares in 2 ways, for example, as 1399059216 + 1457483329 = 37404^2 + 38177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856542545 - 2¹³ = 2856534353 is a prime.

It is a super-2 number, since 2×2856542545² = 16319670622790154050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2856542495 and 2856542504.

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 in 3 ways as a sum of consecutive naturals, for example, 285654250 + ... + 285654259.

It is an arithmetic number, because the mean of its divisors is an integer number (856962765).

Almost surely, 2^2856542545 is an apocalyptic number.

It is an amenable number.

2856542545 is a deficient number, since it is larger than the sum of its proper divisors (571308515).

2856542545 is an equidigital number, since it uses as much as digits as its factorization.

2856542545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571308514.

The product of its digits is 1920000, while the sum is 46.

The square root of 2856542545 is about 53446.6326815825. The cubic root of 2856542545 is about 1418.8840244958.

The spelling of 2856542545 in words is "two billion, eight hundred fifty-six million, five hundred forty-two thousand, five hundred forty-five".