1025417 has 2 divisors, whose sum is σ = 1025418. Its totient is φ = 1025416.

The previous prime is 1025413. The next prime is 1025419. The reversal of 1025417 is 7145201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732736 + 292681 = 856^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025417 - 2² = 1025413 is a prime.

Together with 1025419, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₀₃₇₂ and since 1025417 and 80372 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1025413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512708 + 512709.

It is an arithmetic number, because the mean of its divisors is an integer number (512709).

2^1025417 is an apocalyptic number.

It is an amenable number.

1025417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025417 is an equidigital number, since it uses as much as digits as its factorization.

1025417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1025417 is about 1012.6287572452. The cubic root of 1025417 is about 100.8401549620.

The spelling of 1025417 in words is "one million, twenty-five thousand, four hundred seventeen".