86042461 has 2 divisors, whose sum is σ = 86042462. Its totient is φ = 86042460.

The previous prime is 86042459. The next prime is 86042483. The reversal of 86042461 is 16424068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85932900 + 109561 = 9270^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 86042461 - 2¹ = 86042459 is a prime.

Together with 86042459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86042401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43021230 + 43021231.

It is an arithmetic number, because the mean of its divisors is an integer number (43021231).

Almost surely, 2^86042461 is an apocalyptic number.

It is an amenable number.

86042461 is a deficient number, since it is larger than the sum of its proper divisors (1).

86042461 is an equidigital number, since it uses as much as digits as its factorization.

86042461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86042461 is about 9275.9075566761. The cubic root of 86042461 is about 441.4731288905.

The spelling of 86042461 in words is "eighty-six million, forty-two thousand, four hundred sixty-one".