425124165 has 16 divisors (see below), whose sum is σ = 694672128. Its totient is φ = 221908416.

The previous prime is 425124143. The next prime is 425124209. The reversal of 425124165 is 561421524.

It is not a de Polignac number, because 425124165 - 2¹³ = 425115973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300802 + ... + 302211.

It is an arithmetic number, because the mean of its divisors is an integer number (43417008).

Almost surely, 2^425124165 is an apocalyptic number.

It is an amenable number.

425124165 is a deficient number, since it is larger than the sum of its proper divisors (269547963).

425124165 is a wasteful number, since it uses less digits than its factorization.

425124165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603068.

The product of its digits is 9600, while the sum is 30.

The square root of 425124165 is about 20618.5393517582. The cubic root of 425124165 is about 751.9205091065.

Adding to 425124165 its reverse (561421524), we get a palindrome (986545689).

The spelling of 425124165 in words is "four hundred twenty-five million, one hundred twenty-four thousand, one hundred sixty-five".