870461 has 2 divisors, whose sum is σ = 870462. Its totient is φ = 870460.

The previous prime is 870437. The next prime is 870479. The reversal of 870461 is 164078.

870461 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., 532900 + 337561 = 730^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 870461 - 2¹⁰ = 869437 is a prime.

It is a super-3 number, since 3×870461³ = 1978651042433346543, which contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435230 + 435231.

It is an arithmetic number, because the mean of its divisors is an integer number (435231).

2⁸⁷⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

870461 is a deficient number, since it is larger than the sum of its proper divisors (1).

870461 is an equidigital number, since it uses as much as digits as its factorization.

870461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 870461 is about 932.9849945203. The cubic root of 870461 is about 95.4808857701.

It can be divided in two parts, 870 and 461, that added together give a palindrome (1331).

The spelling of 870461 in words is "eight hundred seventy thousand, four hundred sixty-one".