104897257 has 4 divisors (see below), whose sum is σ = 107732356. Its totient is φ = 102062160.

The previous prime is 104897249. The next prime is 104897291. The reversal of 104897257 is 752798401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752798401 = 89 ⋅8458409.

It can be written as a sum of positive squares in 2 ways, for example, as 36735721 + 68161536 = 6061^2 + 8256^2 .

It is a cyclic number.

It is not a de Polignac number, because 104897257 - 2³ = 104897249 is a prime.

It is a super-2 number, since 2×104897257² = 22006869052248098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104897297) 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, 1417494 + ... + 1417567.

It is an arithmetic number, because the mean of its divisors is an integer number (26933089).

Almost surely, 2^104897257 is an apocalyptic number.

It is an amenable number.

104897257 is a deficient number, since it is larger than the sum of its proper divisors (2835099).

104897257 is an equidigital number, since it uses as much as digits as its factorization.

104897257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835098.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 104897257 is about 10241.9361939040. The cubic root of 104897257 is about 471.6154716140.

The spelling of 104897257 in words is "one hundred four million, eight hundred ninety-seven thousand, two hundred fifty-seven".