425221254 has 24 divisors (see below), whose sum is σ = 969803640. Its totient is φ = 134280288.

The previous prime is 425221249. The next prime is 425221261. The reversal of 425221254 is 452122524.

It is a super-2 number, since 2×425221254² = 361626229706665032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621327 + ... + 622010.

It is an arithmetic number, because the mean of its divisors is an integer number (40408485).

Almost surely, 2^425221254 is an apocalyptic number.

425221254 is an abundant number, since it is smaller than the sum of its proper divisors (544582386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425221254 is a wasteful number, since it uses less digits than its factorization.

425221254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243364 (or 1243361 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 425221254 is about 20620.8936275807. The cubic root of 425221254 is about 751.9777454464.

Adding to 425221254 its reverse (452122524), we get a palindrome (877343778).

It can be divided in two parts, 42 and 5221254, that added together give a triangular number (5221296 = T₃₂₃₁).

The spelling of 425221254 in words is "four hundred twenty-five million, two hundred twenty-one thousand, two hundred fifty-four".