104251249 has 4 divisors (see below), whose sum is σ = 108783936. Its totient is φ = 99718564.

The previous prime is 104251229. The next prime is 104251283. The reversal of 104251249 is 942152401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942152401 = 2707 ⋅348043.

It is a cyclic number.

It is not a de Polignac number, because 104251249 - 2¹⁵ = 104218481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104251229) 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 3 ways as a sum of consecutive naturals, for example, 2266309 + ... + 2266354.

It is an arithmetic number, because the mean of its divisors is an integer number (27195984).

Almost surely, 2^104251249 is an apocalyptic number.

It is an amenable number.

104251249 is a deficient number, since it is larger than the sum of its proper divisors (4532687).

104251249 is an equidigital number, since it uses as much as digits as its factorization.

104251249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532686.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 104251249 is about 10210.3500919410. The cubic root of 104251249 is about 470.6453320234.

The spelling of 104251249 in words is "one hundred four million, two hundred fifty-one thousand, two hundred forty-nine".