872053481 has 8 divisors (see below), whose sum is σ = 964517064. Its totient is φ = 783216000.

The previous prime is 872053411. The next prime is 872053513. The reversal of 872053481 is 184350278.

It can be written as a sum of positive squares in 4 ways, for example, as 306565081 + 565488400 = 17509^2 + 23780^2 .

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

It is not a de Polignac number, because 872053481 - 2¹⁴ = 872037097 is a prime.

It is a super-2 number, since 2×872053481² = 1520954547448434722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (872053411) 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, 906020 + ... + 906981.

It is an arithmetic number, because the mean of its divisors is an integer number (120564633).

Almost surely, 2^872053481 is an apocalyptic number.

It is an amenable number.

872053481 is a deficient number, since it is larger than the sum of its proper divisors (92463583).

872053481 is a wasteful number, since it uses less digits than its factorization.

872053481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813051.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 872053481 is about 29530.5516541767. The cubic root of 872053481 is about 955.3907672332.

The spelling of 872053481 in words is "eight hundred seventy-two million, fifty-three thousand, four hundred eighty-one".