98012539 has 2 divisors, whose sum is σ = 98012540. Its totient is φ = 98012538.

The previous prime is 98012527. The next prime is 98012557. The reversal of 98012539 is 93521089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98012539 - 2⁹ = 98012027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98012498 and 98012507.

It is not a weakly prime, because it can be changed into another prime (98012569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49006269 + 49006270.

It is an arithmetic number, because the mean of its divisors is an integer number (49006270).

Almost surely, 2^98012539 is an apocalyptic number.

98012539 is a deficient number, since it is larger than the sum of its proper divisors (1).

98012539 is an equidigital number, since it uses as much as digits as its factorization.

98012539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 98012539 is about 9900.1282314928. The cubic root of 98012539 is about 461.0632917212.

The spelling of 98012539 in words is "ninety-eight million, twelve thousand, five hundred thirty-nine".