2780503425 has 144 divisors (see below), whose sum is σ = 6086396160. Its totient is φ = 1184440320.

The previous prime is 2780503423. The next prime is 2780503447. The reversal of 2780503425 is 5243050872.

2780503425 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 2780503425 - 2¹ = 2780503423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2780503425.

It is not an unprimeable number, because it can be changed into a prime (2780503423) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3025116 + ... + 3026034.

It is an arithmetic number, because the mean of its divisors is an integer number (42266640).

Almost surely, 2^2780503425 is an apocalyptic number.

2780503425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2780503425 is an abundant number, since it is smaller than the sum of its proper divisors (3305892735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780503425 is a wasteful number, since it uses less digits than its factorization.

2780503425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2780503425 is about 52730.4790894223. The cubic root of 2780503425 is about 1406.1807385147.

The spelling of 2780503425 in words is "two billion, seven hundred eighty million, five hundred three thousand, four hundred twenty-five".