1025818417 has 8 divisors (see below), whose sum is σ = 1162871360. Its totient is φ = 897071760.

The previous prime is 1025818399. The next prime is 1025818429. The reversal of 1025818417 is 7148185201.

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

It is not a de Polignac number, because 1025818417 - 2⁷ = 1025818289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025818477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076309 + ... + 2076802.

It is an arithmetic number, because the mean of its divisors is an integer number (145358920).

Almost surely, 2^1025818417 is an apocalyptic number.

It is an amenable number.

1025818417 is a deficient number, since it is larger than the sum of its proper divisors (137052943).

1025818417 is a wasteful number, since it uses less digits than its factorization.

1025818417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153143.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 1025818417 is about 32028.4001629804. The cubic root of 1025818417 is about 1008.5331177903.

The spelling of 1025818417 in words is "one billion, twenty-five million, eight hundred eighteen thousand, four hundred seventeen".