2045258517 has 8 divisors (see below), whose sum is σ = 2727292896. Its totient is φ = 1363364912.

The previous prime is 2045258489. The next prime is 2045258521. The reversal of 2045258517 is 7158525402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045258517 - 2⁸ = 2045258261 is a prime.

It is a super-2 number, since 2×2045258517² = 8366164802722078578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045258557) 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, 5398 + ... + 64184.

It is an arithmetic number, because the mean of its divisors is an integer number (340911612).

Almost surely, 2^2045258517 is an apocalyptic number.

It is an amenable number.

2045258517 is a deficient number, since it is larger than the sum of its proper divisors (682034379).

2045258517 is a wasteful number, since it uses less digits than its factorization.

2045258517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70387.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 2045258517 is about 45224.5344586321. The cubic root of 2045258517 is about 1269.3539436250.

The spelling of 2045258517 in words is "two billion, forty-five million, two hundred fifty-eight thousand, five hundred seventeen".