1420653425 has 12 divisors (see below), whose sum is σ = 1769178060. Its totient is φ = 1131640320.

The previous prime is 1420653407. The next prime is 1420653431. The reversal of 1420653425 is 5243560241.

It can be written as a sum of positive squares in 6 ways, for example, as 130119649 + 1290533776 = 11407^2 + 35924^2 .

It is not a de Polignac number, because 1420653425 - 2⁶ = 1420653361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420653391 and 1420653400.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 116120 + ... + 127769.

It is an arithmetic number, because the mean of its divisors is an integer number (147431505).

Almost surely, 2^1420653425 is an apocalyptic number.

It is an amenable number.

1420653425 is a deficient number, since it is larger than the sum of its proper divisors (348524635).

1420653425 is a wasteful number, since it uses less digits than its factorization.

1420653425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244132 (or 244127 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1420653425 is about 37691.5564151973. The cubic root of 1420653425 is about 1124.1632428081.

The spelling of 1420653425 in words is "one billion, four hundred twenty million, six hundred fifty-three thousand, four hundred twenty-five".