425533248 has 126 divisors (see below), whose sum is σ = 1418945346. Its totient is φ = 121572864.

The previous prime is 425533223. The next prime is 425533267. The reversal of 425533248 is 842335524.

It can be written as a sum of positive squares in only one way, i.e., 249387264 + 176145984 = 15792^2 + 13272^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20686 + ... + 35762.

It is an arithmetic number, because the mean of its divisors is an integer number (11261471).

Almost surely, 2^425533248 is an apocalyptic number.

425533248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425533248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709472673).

425533248 is an abundant number, since it is smaller than the sum of its proper divisors (993412098).

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

425533248 is a wasteful number, since it uses less digits than its factorization.

425533248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15109 (or 15089 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 425533248 is about 20628.4572375154. The cubic root of 425533248 is about 752.1616145779.

The spelling of 425533248 in words is "four hundred twenty-five million, five hundred thirty-three thousand, two hundred forty-eight".