1850525 has 6 divisors (see below), whose sum is σ = 2294682. Its totient is φ = 1480400.

The previous prime is 1850521. The next prime is 1850561. The reversal of 1850525 is 5250581.

It can be written as a sum of positive squares in 3 ways, for example, as 38809 + 1811716 = 197^2 + 1346^2 .

It is not a de Polignac number, because 1850525 - 2² = 1850521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1850494 and 1850503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36986 + ... + 37035.

It is an arithmetic number, because the mean of its divisors is an integer number (382447).

2^1850525 is an apocalyptic number.

It is an amenable number.

1850525 is a deficient number, since it is larger than the sum of its proper divisors (444157).

1850525 is an equidigital number, since it uses as much as digits as its factorization.

1850525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74031 (or 74026 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1850525 is about 1360.3400310217. The cubic root of 1850525 is about 122.7717139631.

The spelling of 1850525 in words is "one million, eight hundred fifty thousand, five hundred twenty-five".