1825115 has 16 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 1370880.

The previous prime is 1825081. The next prime is 1825129. The reversal of 1825115 is 5115281.

1825115 = 232² + 233² + ... + 261².

It is not a de Polignac number, because 1825115 - 2⁸ = 1824859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5792 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

2^1825115 is an apocalyptic number.

1825115 is a deficient number, since it is larger than the sum of its proper divisors (503365).

1825115 is a wasteful number, since it uses less digits than its factorization.

1825115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its digits is 400, while the sum is 23.

The square root of 1825115 is about 1350.9681713497. The cubic root of 1825115 is about 122.2071862434.

It can be divided in two parts, 182 and 5115, that multiplied together give a triangular number (930930 = T₁₃₆₄).

The spelling of 1825115 in words is "one million, eight hundred twenty-five thousand, one hundred fifteen".