1025715 has 32 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 501120.

The previous prime is 1025707. The next prime is 1025741. The reversal of 1025715 is 5175201.

It is not a de Polignac number, because 1025715 - 2³ = 1025707 is a prime.

It is a super-2 number, since 2×1025715² = 2104182522450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025691 and 1025700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16785 + ... + 16845.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2^1025715 is an apocalyptic number.

1025715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025715 is a deficient number, since it is larger than the sum of its proper divisors (759885).

1025715 is a wasteful number, since it uses less digits than its factorization.

1025715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1025715 is about 1012.7758883386. The cubic root of 1025715 is about 100.8499225186.

The spelling of 1025715 in words is "one million, twenty-five thousand, seven hundred fifteen".