1870065825 has 12 divisors (see below), whose sum is σ = 3091842288. Its totient is φ = 997368400.

The previous prime is 1870065787. The next prime is 1870065859. The reversal of 1870065825 is 5285600781.

It is not a de Polignac number, because 1870065825 - 2¹² = 1870061729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12467031 + ... + 12467180.

It is an arithmetic number, because the mean of its divisors is an integer number (257653524).

Almost surely, 2^1870065825 is an apocalyptic number.

1870065825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1870065825 is a deficient number, since it is larger than the sum of its proper divisors (1221776463).

1870065825 is a wasteful number, since it uses less digits than its factorization.

1870065825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24934224 (or 24934219 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1870065825 is about 43244.2577112846. The cubic root of 1870065825 is about 1232.0234227799.

The spelling of 1870065825 in words is "one billion, eight hundred seventy million, sixty-five thousand, eight hundred twenty-five".