1025545 has 8 divisors (see below), whose sum is σ = 1236096. Its totient is φ = 816816.

The previous prime is 1025543. The next prime is 1025551. The reversal of 1025545 is 5455201.

1025545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025545 - 2¹ = 1025543 is a prime.

It is a Duffinian number.

1025545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1025543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (154512).

2^1025545 is an apocalyptic number.

It is an amenable number.

1025545 is a deficient number, since it is larger than the sum of its proper divisors (210551).

1025545 is an equidigital number, since it uses as much as digits as its factorization.

1025545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1025545 is about 1012.6919571123. The cubic root of 1025545 is about 100.8443506544.

The spelling of 1025545 in words is "one million, twenty-five thousand, five hundred forty-five".