1625976853 has 2 divisors, whose sum is σ = 1625976854. Its totient is φ = 1625976852.

The previous prime is 1625976841. The next prime is 1625976857. The reversal of 1625976853 is 3586795261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622317284 + 3659569 = 40278^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625976853 - 2²¹ = 1623879701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1625976853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625976857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812988426 + 812988427.

It is an arithmetic number, because the mean of its divisors is an integer number (812988427).

Almost surely, 2^1625976853 is an apocalyptic number.

It is an amenable number.

1625976853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625976853 is an equidigital number, since it uses as much as digits as its factorization.

1625976853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 1625976853 is about 40323.4032913890. The cubic root of 1625976853 is about 1175.9028770135.

The spelling of 1625976853 in words is "one billion, six hundred twenty-five million, nine hundred seventy-six thousand, eight hundred fifty-three".