84501523 has 2 divisors, whose sum is σ = 84501524. Its totient is φ = 84501522.

The previous prime is 84501497. The next prime is 84501541. The reversal of 84501523 is 32510548.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84501523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84501491 and 84501500.

It is not a weakly prime, because it can be changed into another prime (84501623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42250761 + 42250762.

It is an arithmetic number, because the mean of its divisors is an integer number (42250762).

Almost surely, 2^84501523 is an apocalyptic number.

84501523 is a deficient number, since it is larger than the sum of its proper divisors (1).

84501523 is an equidigital number, since it uses as much as digits as its factorization.

84501523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 84501523 is about 9192.4709953309. The cubic root of 84501523 is about 438.8217841276.

The spelling of 84501523 in words is "eighty-four million, five hundred one thousand, five hundred twenty-three".