84502961 has 2 divisors, whose sum is σ = 84502962. Its totient is φ = 84502960.

The previous prime is 84502939. The next prime is 84502987. The reversal of 84502961 is 16920548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51036736 + 33466225 = 7144^2 + 5785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84502961 is a prime.

It is a Chen prime.

It is equal to p_4916636 and since 84502961 and 4916636 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84502261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42251480 + 42251481.

It is an arithmetic number, because the mean of its divisors is an integer number (42251481).

Almost surely, 2^84502961 is an apocalyptic number.

It is an amenable number.

84502961 is a deficient number, since it is larger than the sum of its proper divisors (1).

84502961 is an equidigital number, since it uses as much as digits as its factorization.

84502961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 84502961 is about 9192.5492111818. The cubic root of 84502961 is about 438.8242733220.

It can be divided in two parts, 8450 and 2961, that added together give a palindrome (11411).

The spelling of 84502961 in words is "eighty-four million, five hundred two thousand, nine hundred sixty-one".