1572265 has 4 divisors (see below), whose sum is σ = 1886724. Its totient is φ = 1257808.

The previous prime is 1572253. The next prime is 1572271. The reversal of 1572265 is 5622751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5622751 = 47 ⋅119633.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 1087849 = 696^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1572265 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157222 + ... + 157231.

It is an arithmetic number, because the mean of its divisors is an integer number (471681).

2^1572265 is an apocalyptic number.

It is an amenable number.

1572265 is a deficient number, since it is larger than the sum of its proper divisors (314459).

1572265 is an equidigital number, since it uses as much as digits as its factorization.

1572265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314458.

The product of its digits is 4200, while the sum is 28.

The square root of 1572265 is about 1253.8999162613. The cubic root of 1572265 is about 116.2809529478.

The spelling of 1572265 in words is "one million, five hundred seventy-two thousand, two hundred sixty-five".