1005425517 has 16 divisors (see below), whose sum is σ = 1362306560. Its totient is φ = 659439792.

The previous prime is 1005425513. The next prime is 1005425537. The reversal of 1005425517 is 7155245001.

It is not a de Polignac number, because 1005425517 - 2² = 1005425513 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 (1005425513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181998 + ... + 187440.

It is an arithmetic number, because the mean of its divisors is an integer number (85144160).

Almost surely, 2^1005425517 is an apocalyptic number.

It is an amenable number.

1005425517 is a deficient number, since it is larger than the sum of its proper divisors (356881043).

1005425517 is an equidigital number, since it uses as much as digits as its factorization.

1005425517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 1005425517 is about 31708.4455153513. The cubic root of 1005425517 is about 1001.8052447968.

The spelling of 1005425517 in words is "one billion, five million, four hundred twenty-five thousand, five hundred seventeen".