2782685425 has 24 divisors (see below), whose sum is σ = 3722246136. Its totient is φ = 2051427840.

The previous prime is 2782685419. The next prime is 2782685449. The reversal of 2782685425 is 5245862872.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2570895616 + 211789809 = 50704^2 + 14553^2 .

It is not a de Polignac number, because 2782685425 - 2³ = 2782685417 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193587 + ... + 207463.

It is an arithmetic number, because the mean of its divisors is an integer number (155093589).

Almost surely, 2^2782685425 is an apocalyptic number.

2782685425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2782685425 is a deficient number, since it is larger than the sum of its proper divisors (939560711).

2782685425 is a wasteful number, since it uses less digits than its factorization.

2782685425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14517 (or 14512 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

The square root of 2782685425 is about 52751.1651530087. The cubic root of 2782685425 is about 1406.5484757718.

The spelling of 2782685425 in words is "two billion, seven hundred eighty-two million, six hundred eighty-five thousand, four hundred twenty-five".