862481 has 2 divisors, whose sum is σ = 862482. Its totient is φ = 862480.

The previous prime is 862471. The next prime is 862483. The reversal of 862481 is 184268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 379456 = 695^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 862481 - 2⁶ = 862417 is a prime.

It is a super-2 number, since 2×862481² = 1487746950722, which contains 22 as substring.

Together with 862483, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₆₈₅₃₇ and since 862481 and 68537 have the same sum of digits, it is a Honaker prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 862481.

It is not a weakly prime, because it can be changed into another prime (862483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431240 + 431241.

It is an arithmetic number, because the mean of its divisors is an integer number (431241).

2⁸⁶²⁴⁸¹ is an apocalyptic number.

It is an amenable number.

862481 is a deficient number, since it is larger than the sum of its proper divisors (1).

862481 is an equidigital number, since it uses as much as digits as its factorization.

862481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 862481 is about 928.6985517379. The cubic root of 862481 is about 95.1882141213.

The spelling of 862481 in words is "eight hundred sixty-two thousand, four hundred eighty-one".