1001425853 has 2 divisors, whose sum is σ = 1001425854. Its totient is φ = 1001425852.

The previous prime is 1001425849. The next prime is 1001425879. The reversal of 1001425853 is 3585241001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593507044 + 407918809 = 24362^2 + 20197^2 .

It is an emirp because it is prime and its reverse (3585241001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001425853 - 2² = 1001425849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001421853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500712926 + 500712927.

It is an arithmetic number, because the mean of its divisors is an integer number (500712927).

Almost surely, 2^1001425853 is an apocalyptic number.

It is an amenable number.

1001425853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001425853 is an equidigital number, since it uses as much as digits as its factorization.

1001425853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1001425853 is about 31645.3132864884. The cubic root of 1001425853 is about 1000.4750586169.

Adding to 1001425853 its reverse (3585241001), we get a palindrome (4586666854).

The spelling of 1001425853 in words is "one billion, one million, four hundred twenty-five thousand, eight hundred fifty-three".