1906025 has 24 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1332800.

The previous prime is 1906013. The next prime is 1906043. The reversal of 1906025 is 5206091.

It is not a de Polignac number, because 1906025 - 2¹⁸ = 1643881 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

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, 7856 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^1906025 is an apocalyptic number.

It is an amenable number.

1906025 is a deficient number, since it is larger than the sum of its proper divisors (772375).

1906025 is a wasteful number, since it uses less digits than its factorization.

1906025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1906025 is about 1380.5886425724. The cubic root of 1906025 is about 123.9870130346.

The spelling of 1906025 in words is "one million, nine hundred six thousand, twenty-five".