1011625 has 8 divisors (see below), whose sum is σ = 1262664. Its totient is φ = 809200.

The previous prime is 1011601. The next prime is 1011631. The reversal of 1011625 is 5261101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 952576 = 243^2 + 976^2 .

It is not a de Polignac number, because 1011625 - 2¹³ = 1003433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011599 and 1011608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (157833).

2^1011625 is an apocalyptic number.

It is an amenable number.

1011625 is a deficient number, since it is larger than the sum of its proper divisors (251039).

1011625 is an frugal number, since it uses more digits than its factorization.

1011625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 8098 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1011625 is about 1005.7957049023. The cubic root of 1011625 is about 100.3860080606.

Adding to 1011625 its reverse (5261101), we get a palindrome (6272726).

The spelling of 1011625 in words is "one million, eleven thousand, six hundred twenty-five".