1572881 has 8 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 1514032.

The previous prime is 1572871. The next prime is 1572887. The reversal of 1572881 is 1882751.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1572881 is a prime.

It is a super-2 number, since 2×1572881² = 4947909280322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1572887) 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, 2876 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^1572881 is an apocalyptic number.

It is an amenable number.

1572881 is a deficient number, since it is larger than the sum of its proper divisors (60079).

1572881 is an equidigital number, since it uses as much as digits as its factorization.

1572881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 4480, while the sum is 32.

The square root of 1572881 is about 1254.1455258462. The cubic root of 1572881 is about 116.2961369264.

The spelling of 1572881 in words is "one million, five hundred seventy-two thousand, eight hundred eighty-one".