425024161 has 2 divisors, whose sum is σ = 425024162. Its totient is φ = 425024160.

The previous prime is 425024113. The next prime is 425024179. The reversal of 425024161 is 161420524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404774161 + 20250000 = 20119^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 425024161 - 2²⁷ = 290806433 is a prime.

It is not a weakly prime, because it can be changed into another prime (425024111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212512080 + 212512081.

It is an arithmetic number, because the mean of its divisors is an integer number (212512081).

Almost surely, 2^425024161 is an apocalyptic number.

It is an amenable number.

425024161 is a deficient number, since it is larger than the sum of its proper divisors (1).

425024161 is an equidigital number, since it uses as much as digits as its factorization.

425024161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 425024161 is about 20616.1141100839. The cubic root of 425024161 is about 751.8615451914.

Adding to 425024161 its reverse (161420524), we get a palindrome (586444685).

The spelling of 425024161 in words is "four hundred twenty-five million, twenty-four thousand, one hundred sixty-one".