425253972 has 96 divisors (see below), whose sum is σ = 1227179520. Its totient is φ = 112682880.

The previous prime is 425253971. The next prime is 425254019. The reversal of 425253972 is 279352524.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 425253972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425253971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26083 + ... + 39125.

It is an arithmetic number, because the mean of its divisors is an integer number (12783120).

Almost surely, 2^425253972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425253972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613589760).

425253972 is an abundant number, since it is smaller than the sum of its proper divisors (801925548).

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

425253972 is a wasteful number, since it uses less digits than its factorization.

425253972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13093 (or 13091 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 425253972 is about 20621.6869339053. The cubic root of 425253972 is about 751.9970315448.

The spelling of 425253972 in words is "four hundred twenty-five million, two hundred fifty-three thousand, nine hundred seventy-two".