2781254315 has 16 divisors (see below), whose sum is σ = 4038662592. Its totient is φ = 1794960384.

The previous prime is 2781254303. The next prime is 2781254321. The reversal of 2781254315 is 5134521872.

2781254315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2781254315 - 2⁴ = 2781254299 is a prime.

It is a super-2 number, since 2×2781254315² = 15470751129412238450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336594 + ... + 2337783.

It is an arithmetic number, because the mean of its divisors is an integer number (252416412).

Almost surely, 2^2781254315 is an apocalyptic number.

2781254315 is a deficient number, since it is larger than the sum of its proper divisors (1257408277).

2781254315 is a wasteful number, since it uses less digits than its factorization.

2781254315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674406.

The product of its digits is 67200, while the sum is 38.

The square root of 2781254315 is about 52737.5986844301. The cubic root of 2781254315 is about 1406.3073093615.

The spelling of 2781254315 in words is "two billion, seven hundred eighty-one million, two hundred fifty-four thousand, three hundred fifteen".