1850025 has 24 divisors (see below), whose sum is σ = 3240864. Its totient is φ = 928000.

The previous prime is 1850021. The next prime is 1850029. The reversal of 1850025 is 5200581.

It is an interprime number because it is at equal distance from previous prime (1850021) and next prime (1850029).

It is not a de Polignac number, because 1850025 - 2² = 1850021 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1849983 and 1850010.

It is not an unprimeable number, because it can be changed into a prime (1850021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (135036).

2^1850025 is an apocalyptic number.

1850025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1850025 is a deficient number, since it is larger than the sum of its proper divisors (1390839).

1850025 is a wasteful number, since it uses less digits than its factorization.

1850025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1850025 is about 1360.1562410253. The cubic root of 1850025 is about 122.7606555902.

The spelling of 1850025 in words is "one million, eight hundred fifty thousand, twenty-five".