98591151 has 4 divisors (see below), whose sum is σ = 131454872. Its totient is φ = 65727432.

The previous prime is 98591149. The next prime is 98591159. The reversal of 98591151 is 15119589.

Added to its reverse (15119589) it gives a triangular number (113710740 = T₁₅₀₈₀).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15119589 = 3 ⋅5039863.

It is not a de Polignac number, because 98591151 - 2¹ = 98591149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98591159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16431856 + ... + 16431861.

It is an arithmetic number, because the mean of its divisors is an integer number (32863718).

Almost surely, 2^98591151 is an apocalyptic number.

98591151 is a deficient number, since it is larger than the sum of its proper divisors (32863721).

98591151 is a wasteful number, since it uses less digits than its factorization.

98591151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32863720.

The product of its digits is 16200, while the sum is 39.

The square root of 98591151 is about 9929.3076797932. The cubic root of 98591151 is about 461.9688000144.

Adding to 98591151 its reverse (15119589), we get a triangular number (113710740 = T₁₅₀₈₀).

The spelling of 98591151 in words is "ninety-eight million, five hundred ninety-one thousand, one hundred fifty-one".