98251257 has 8 divisors (see below), whose sum is σ = 141078784. Its totient is φ = 60462288.

The previous prime is 98251253. The next prime is 98251267. The reversal of 98251257 is 75215289.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98251257 - 2² = 98251253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2519263 = 98251257 / (9 + 8 + 2 + 5 + 1 + 2 + 5 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98251253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259593 + ... + 1259670.

It is an arithmetic number, because the mean of its divisors is an integer number (17634848).

Almost surely, 2^98251257 is an apocalyptic number.

It is an amenable number.

98251257 is a deficient number, since it is larger than the sum of its proper divisors (42827527).

98251257 is a wasteful number, since it uses less digits than its factorization.

98251257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519279.

The product of its digits is 50400, while the sum is 39.

The square root of 98251257 is about 9912.1772078590. The cubic root of 98251257 is about 461.4373080523.

The spelling of 98251257 in words is "ninety-eight million, two hundred fifty-one thousand, two hundred fifty-seven".