1315573 has 8 divisors (see below), whose sum is σ = 1514048. Its totient is φ = 1119744.

The previous prime is 1315553. The next prime is 1315591. The reversal of 1315573 is 3755131.

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

It is a 7-Lehmer number, since φ(1315573) divides (1315573-1)⁷.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315543) 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, 565 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (189256).

2^1315573 is an apocalyptic number.

It is an amenable number.

1315573 is a deficient number, since it is larger than the sum of its proper divisors (198475).

1315573 is a wasteful number, since it uses less digits than its factorization.

1315573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its digits is 1575, while the sum is 25.

The square root of 1315573 is about 1146.9843067802. The cubic root of 1315573 is about 109.5733611799.

The spelling of 1315573 in words is "one million, three hundred fifteen thousand, five hundred seventy-three".