98972141 has 2 divisors, whose sum is σ = 98972142. Its totient is φ = 98972140.

The previous prime is 98972131. The next prime is 98972149. The reversal of 98972141 is 14127989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 16434916 = 9085^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98972141 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98972149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49486070 + 49486071.

It is an arithmetic number, because the mean of its divisors is an integer number (49486071).

Almost surely, 2^98972141 is an apocalyptic number.

It is an amenable number.

98972141 is a deficient number, since it is larger than the sum of its proper divisors (1).

98972141 is an equidigital number, since it uses as much as digits as its factorization.

98972141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 41.

The square root of 98972141 is about 9948.4743051385. The cubic root of 98972141 is about 462.5631037345.

The spelling of 98972141 in words is "ninety-eight million, nine hundred seventy-two thousand, one hundred forty-one".