420250034525 has 12 divisors (see below), whose sum is σ = 528887806752. Its totient is φ = 331182115440.

The previous prime is 420250034509. The next prime is 420250034527. The reversal of 420250034525 is 525430052024.

It is not a de Polignac number, because 420250034525 - 2⁴ = 420250034509 is a prime.

It is a super-2 number, since 2×420250034525² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420250034491 and 420250034500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420250034527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125446097 + ... + 125449446.

It is an arithmetic number, because the mean of its divisors is an integer number (44073983896).

Almost surely, 2^420250034525 is an apocalyptic number.

It is an amenable number.

420250034525 is a deficient number, since it is larger than the sum of its proper divisors (108637772227).

420250034525 is a wasteful number, since it uses less digits than its factorization.

420250034525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250895620 (or 250895615 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 420250034525 its reverse (525430052024), we get a palindrome (945680086549).

The spelling of 420250034525 in words is "four hundred twenty billion, two hundred fifty million, thirty-four thousand, five hundred twenty-five".