840014025 has 24 divisors (see below), whose sum is σ = 1389672960. Its totient is φ = 447733440.

The previous prime is 840013973. The next prime is 840014039. The reversal of 840014025 is 520410048.

It is not a de Polignac number, because 840014025 - 2⁶ = 840013961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 840013986 and 840014004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199896 + ... + 204054.

It is an arithmetic number, because the mean of its divisors is an integer number (57903040).

Almost surely, 2^840014025 is an apocalyptic number.

It is an amenable number.

840014025 is a deficient number, since it is larger than the sum of its proper divisors (549658935).

840014025 is a wasteful number, since it uses less digits than its factorization.

840014025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865 (or 6860 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 840014025 is about 28982.9954456057. The cubic root of 840014025 is about 943.5440472768.

The spelling of 840014025 in words is "eight hundred forty million, fourteen thousand, twenty-five".