862541 has 2 divisors, whose sum is σ = 862542. Its totient is φ = 862540.

The previous prime is 862501. The next prime is 862553. The reversal of 862541 is 145268.

862541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729316 + 133225 = 854^2 + 365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 862541.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 862541.

It is not a weakly prime, because it can be changed into another prime (862501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431270 + 431271.

It is an arithmetic number, because the mean of its divisors is an integer number (431271).

2⁸⁶²⁵⁴¹ is an apocalyptic number.

It is an amenable number.

862541 is a deficient number, since it is larger than the sum of its proper divisors (1).

862541 is an equidigital number, since it uses as much as digits as its factorization.

862541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 862541 is about 928.7308544460. The cubic root of 862541 is about 95.1904213817.

The spelling of 862541 in words is "eight hundred sixty-two thousand, five hundred forty-one".