425134251 has 20 divisors (see below), whose sum is σ = 641255472. Its totient is φ = 280665648.

The previous prime is 425134211. The next prime is 425134271. The reversal of 425134251 is 152431524.

It is not a de Polignac number, because 425134251 - 2⁶ = 425134187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (425134211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17136 + ... + 33821.

Almost surely, 2^425134251 is an apocalyptic number.

425134251 is a deficient number, since it is larger than the sum of its proper divisors (216121221).

425134251 is a wasteful number, since it uses less digits than its factorization.

425134251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51072 (or 51063 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 425134251 is about 20618.7839360133. The cubic root of 425134251 is about 751.9264554557.

Adding to 425134251 its reverse (152431524), we get a palindrome (577565775).

It can be divided in two parts, 42513 and 4251, that added together give a palindrome (46764).

The spelling of 425134251 in words is "four hundred twenty-five million, one hundred thirty-four thousand, two hundred fifty-one".