1572313 has 4 divisors (see below), whose sum is σ = 1664820. Its totient is φ = 1479808.

The previous prime is 1572287. The next prime is 1572323. The reversal of 1572313 is 3132751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1172889 + 399424 = 1083^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572313 - 2⁵ = 1572281 is a prime.

It is a Duffinian number.

1572313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1572323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46228 + ... + 46261.

It is an arithmetic number, because the mean of its divisors is an integer number (416205).

2^1572313 is an apocalyptic number.

It is an amenable number.

1572313 is a deficient number, since it is larger than the sum of its proper divisors (92507).

1572313 is an equidigital number, since it uses as much as digits as its factorization.

1572313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92506.

The product of its digits is 630, while the sum is 22.

The square root of 1572313 is about 1253.9190563988. The cubic root of 1572313 is about 116.2821362574.

The spelling of 1572313 in words is "one million, five hundred seventy-two thousand, three hundred thirteen".