420350525 has 24 divisors (see below), whose sum is σ = 611806080. Its totient is φ = 280445760.

The previous prime is 420350521. The next prime is 420350531. The reversal of 420350525 is 525053024.

It is not a de Polignac number, because 420350525 - 2² = 420350521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420350494 and 420350503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420350521) 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 in 23 ways as a sum of consecutive naturals, for example, 25985 + ... + 38934.

It is an arithmetic number, because the mean of its divisors is an integer number (25491920).

Almost surely, 2^420350525 is an apocalyptic number.

It is an amenable number.

420350525 is a deficient number, since it is larger than the sum of its proper divisors (191455555).

420350525 is a wasteful number, since it uses less digits than its factorization.

420350525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64973 (or 64968 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 420350525 is about 20502.4516826647. The cubic root of 420350525 is about 749.0955170600.

The spelling of 420350525 in words is "four hundred twenty million, three hundred fifty thousand, five hundred twenty-five".