104651249 has 4 divisors (see below), whose sum is σ = 104864880. Its totient is φ = 104437620.

The previous prime is 104651233. The next prime is 104651291. The reversal of 104651249 is 942156401.

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: 942156401 = 19 ⋅49587179.

It is a cyclic number.

It is not a de Polignac number, because 104651249 - 2⁴ = 104651233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104651549) 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, 106079 + ... + 107060.

It is an arithmetic number, because the mean of its divisors is an integer number (26216220).

Almost surely, 2^104651249 is an apocalyptic number.

It is an amenable number.

104651249 is a deficient number, since it is larger than the sum of its proper divisors (213631).

104651249 is an equidigital number, since it uses as much as digits as its factorization.

104651249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213630.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 104651249 is about 10229.9193056446. The cubic root of 104651249 is about 471.2465010634.

The spelling of 104651249 in words is "one hundred four million, six hundred fifty-one thousand, two hundred forty-nine".