2028517425 has 120 divisors (see below), whose sum is σ = 4315750560. Its totient is φ = 931564800.

The previous prime is 2028517391. The next prime is 2028517451. The reversal of 2028517425 is 5247158202.

It is a happy number.

It is not a de Polignac number, because 2028517425 - 2⁷ = 2028517297 is a prime.

It is a super-2 number, since 2×2028517425² = 8229765887057261250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028517425.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 420829 + ... + 425621.

It is an arithmetic number, because the mean of its divisors is an integer number (35964588).

Almost surely, 2^2028517425 is an apocalyptic number.

2028517425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2028517425 is an abundant number, since it is smaller than the sum of its proper divisors (2287233135).

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

2028517425 is a wasteful number, since it uses less digits than its factorization.

2028517425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2028517425 is about 45039.0655431482. The cubic root of 2028517425 is about 1265.8810955014.

It can be divided in two parts, 202851 and 7425, that added together give a triangular number (210276 = T₆₄₈).

The spelling of 2028517425 in words is "two billion, twenty-eight million, five hundred seventeen thousand, four hundred twenty-five".