881513 has 8 divisors (see below), whose sum is σ = 923400. Its totient is φ = 840448.

The previous prime is 881509. The next prime is 881527. The reversal of 881513 is 315188.

It can be written as a sum of positive squares in 4 ways, for example, as 29584 + 851929 = 172^2 + 923^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 881513 - 2² = 881509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881533) 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, 3143 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (115425).

2⁸⁸¹⁵¹³ is an apocalyptic number.

It is an amenable number.

881513 is a deficient number, since it is larger than the sum of its proper divisors (41887).

881513 is a wasteful number, since it uses less digits than its factorization.

881513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 960, while the sum is 26.

The square root of 881513 is about 938.8892373438. The cubic root of 881513 is about 95.8832855316.

The spelling of 881513 in words is "eight hundred eighty-one thousand, five hundred thirteen".