4250406425 has 6 divisors (see below), whose sum is σ = 5270503998. Its totient is φ = 3400325120.

The previous prime is 4250406421. The next prime is 4250406443. The reversal of 4250406425 is 5246040524.

4250406425 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1442784256 + 2807622169 = 37984^2 + 52987^2 .

It is not a de Polignac number, because 4250406425 - 2² = 4250406421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4250406391 and 4250406400.

It is not an unprimeable number, because it can be changed into a prime (4250406421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85008104 + ... + 85008153.

It is an arithmetic number, because the mean of its divisors is an integer number (878417333).

Almost surely, 2^4250406425 is an apocalyptic number.

It is an amenable number.

4250406425 is a deficient number, since it is larger than the sum of its proper divisors (1020097573).

4250406425 is a wasteful number, since it uses less digits than its factorization.

4250406425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170016267 (or 170016262 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4250406425 is about 65195.1411149635. The cubic root of 4250406425 is about 1619.8575326881.

Adding to 4250406425 its reverse (5246040524), we get a palindrome (9496446949).

The spelling of 4250406425 in words is "four billion, two hundred fifty million, four hundred six thousand, four hundred twenty-five".