98618501 has 2 divisors, whose sum is σ = 98618502.
Its totient is φ = 98618500.
The previous prime is 98618467. The next prime is 98618519. The reversal of 98618501 is 10581689.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 98525476 + 93025 = 9926^2 + 305^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-98618501 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (98618551) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49309250 + 49309251.
It is an arithmetic number, because the mean of its divisors is an integer number (49309251).
Almost surely, 298618501 is an apocalyptic number.
It is an amenable number.
98618501 is a deficient number, since it is larger than the sum of its proper divisors (1).
98618501 is an equidigital number, since it uses as much as digits as its factorization.
98618501 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 38.
The square root of 98618501 is about 9930.6848202931.
The cubic root of 98618501 is about 462.0115140525.
The spelling of 98618501 in words is "ninety-eight million, six hundred eighteen thousand, five hundred one".