1375025 has 6 divisors (see below), whose sum is σ = 1705062. Its totient is φ = 1100000.

The previous prime is 1375021. The next prime is 1375037. The reversal of 1375025 is 5205731.

It can be written as a sum of positive squares in 3 ways, for example, as 8464 + 1366561 = 92^2 + 1169^2 .

It is not a de Polignac number, because 1375025 - 2² = 1375021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27476 + ... + 27525.

It is an arithmetic number, because the mean of its divisors is an integer number (284177).

2^1375025 is an apocalyptic number.

It is an amenable number.

1375025 is a deficient number, since it is larger than the sum of its proper divisors (330037).

1375025 is an equidigital number, since it uses as much as digits as its factorization.

1375025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55011 (or 55006 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1375025 is about 1172.6145999432. The cubic root of 1375025 is about 111.1996784577.

The spelling of 1375025 in words is "one million, three hundred seventy-five thousand, twenty-five".