104492551 has 4 divisors (see below), whose sum is σ = 107316712. Its totient is φ = 101668392.

The previous prime is 104492513. The next prime is 104492581. The reversal of 104492551 is 155294401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155294401 = 1567 ⋅99103.

It is a cyclic number.

It is not a de Polignac number, because 104492551 - 2²¹ = 102395399 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 (104492501) 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, 1412025 + ... + 1412098.

It is an arithmetic number, because the mean of its divisors is an integer number (26829178).

Almost surely, 2^104492551 is an apocalyptic number.

104492551 is a deficient number, since it is larger than the sum of its proper divisors (2824161).

104492551 is an equidigital number, since it uses as much as digits as its factorization.

104492551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824160.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 104492551 is about 10222.1598011379. The cubic root of 104492551 is about 471.0081738807.

The spelling of 104492551 in words is "one hundred four million, four hundred ninety-two thousand, five hundred fifty-one".