84911501 has 2 divisors, whose sum is σ = 84911502. Its totient is φ = 84911500.

The previous prime is 84911479. The next prime is 84911521. The reversal of 84911501 is 10511948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77616100 + 7295401 = 8810^2 + 2701^2 .

It is a cyclic number.

It is not a de Polignac number, because 84911501 - 2¹⁰ = 84910477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84911521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42455750 + 42455751.

It is an arithmetic number, because the mean of its divisors is an integer number (42455751).

Almost surely, 2^84911501 is an apocalyptic number.

It is an amenable number.

84911501 is a deficient number, since it is larger than the sum of its proper divisors (1).

84911501 is an equidigital number, since it uses as much as digits as its factorization.

84911501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 84911501 is about 9214.7436752196. The cubic root of 84911501 is about 439.5303200975.

The spelling of 84911501 in words is "eighty-four million, nine hundred eleven thousand, five hundred one".