98131951 has 2 divisors, whose sum is σ = 98131952. Its totient is φ = 98131950.

The previous prime is 98131933. The next prime is 98131987. The reversal of 98131951 is 15913189.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98131951 - 2⁵ = 98131919 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98131951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98131931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49065975 + 49065976.

It is an arithmetic number, because the mean of its divisors is an integer number (49065976).

Almost surely, 2^98131951 is an apocalyptic number.

98131951 is a deficient number, since it is larger than the sum of its proper divisors (1).

98131951 is an equidigital number, since it uses as much as digits as its factorization.

98131951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 37.

The square root of 98131951 is about 9906.1572266949. The cubic root of 98131951 is about 461.2504587457.

The spelling of 98131951 in words is "ninety-eight million, one hundred thirty-one thousand, nine hundred fifty-one".