420700925 has 24 divisors (see below), whose sum is σ = 530025600. Its totient is φ = 331214400.

The previous prime is 420700879. The next prime is 420700933. The reversal of 420700925 is 529007024.

It is not a de Polignac number, because 420700925 - 2¹⁴ = 420684541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512015 + ... + 512835.

It is an arithmetic number, because the mean of its divisors is an integer number (22084400).

Almost surely, 2^420700925 is an apocalyptic number.

It is an amenable number.

420700925 is a deficient number, since it is larger than the sum of its proper divisors (109324675).

420700925 is a wasteful number, since it uses less digits than its factorization.

420700925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 420700925 is about 20510.9952220754. The cubic root of 420700925 is about 749.3036054315.

Adding to 420700925 its reverse (529007024), we get a palindrome (949707949).

The spelling of 420700925 in words is "four hundred twenty million, seven hundred thousand, nine hundred twenty-five".