2048497257 has 8 divisors (see below), whose sum is σ = 2749418560. Its totient is φ = 1356620400.

The previous prime is 2048497249. The next prime is 2048497271. The reversal of 2048497257 is 7527948402.

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

It is not a de Polignac number, because 2048497257 - 2³ = 2048497249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048497207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260582 + ... + 2261487.

It is an arithmetic number, because the mean of its divisors is an integer number (343677320).

Almost surely, 2^2048497257 is an apocalyptic number.

It is an amenable number.

2048497257 is a deficient number, since it is larger than the sum of its proper divisors (700921303).

2048497257 is a wasteful number, since it uses less digits than its factorization.

2048497257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522223.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 2048497257 is about 45260.3276280674. The cubic root of 2048497257 is about 1270.0236127215.

The spelling of 2048497257 in words is "two billion, forty-eight million, four hundred ninety-seven thousand, two hundred fifty-seven".