485951381 has 8 divisors (see below), whose sum is σ = 502047744. Its totient is φ = 469881360.

The previous prime is 485951369. The next prime is 485951413. The reversal of 485951381 is 183159584.

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 485951381 - 2¹⁴ = 485934997 is a prime.

It is a super-2 number, since 2×485951381² = 472297489391614322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485951351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35231 + ... + 47043.

It is an arithmetic number, because the mean of its divisors is an integer number (62755968).

Almost surely, 2^485951381 is an apocalyptic number.

It is an amenable number.

485951381 is a deficient number, since it is larger than the sum of its proper divisors (16096363).

485951381 is a wasteful number, since it uses less digits than its factorization.

485951381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171.

The product of its digits is 172800, while the sum is 44.

The square root of 485951381 is about 22044.3049561559. The cubic root of 485951381 is about 786.1961997287.

The spelling of 485951381 in words is "four hundred eighty-five million, nine hundred fifty-one thousand, three hundred eighty-one".