1056625 has 16 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 826800.

The previous prime is 1056623. The next prime is 1056641. The reversal of 1056625 is 5266501.

It is not a de Polignac number, because 1056625 - 2¹ = 1056623 is a prime.

It is a super-2 number, since 2×1056625² = 2232912781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

1056625 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056625.

It is not an unprimeable number, because it can be changed into a prime (1056623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9822 + ... + 9928.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2^1056625 is an apocalyptic number.

It is an amenable number.

1056625 is a deficient number, since it is larger than the sum of its proper divisors (291215).

1056625 is an equidigital number, since it uses as much as digits as its factorization.

1056625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1056625 is about 1027.9226624606. The cubic root of 1056625 is about 101.8529535642.

It can be divided in two parts, 1056 and 625, that added together give a square (1681 = 41²).

The spelling of 1056625 in words is "one million, fifty-six thousand, six hundred twenty-five".