425234251 has 12 divisors (see below), whose sum is σ = 461120472. Its totient is φ = 391961856.

The previous prime is 425234219. The next prime is 425234263. The reversal of 425234251 is 152432524.

It is not a de Polignac number, because 425234251 - 2⁵ = 425234219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425234851) 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, 158715 + ... + 161371.

It is an arithmetic number, because the mean of its divisors is an integer number (38426706).

Almost surely, 2^425234251 is an apocalyptic number.

425234251 is a deficient number, since it is larger than the sum of its proper divisors (35886221).

425234251 is a wasteful number, since it uses less digits than its factorization.

425234251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3617 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 425234251 is about 20621.2087667042. The cubic root of 425234251 is about 751.9854068345.

Adding to 425234251 its reverse (152432524), we get a palindrome (577666775).

It can be divided in two parts, 4252 and 34251, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 425234251 in words is "four hundred twenty-five million, two hundred thirty-four thousand, two hundred fifty-one".