652425774 has 128 divisors (see below), whose sum is σ = 1828528128. Its totient is φ = 149592960.

The previous prime is 652425769. The next prime is 652425791. The reversal of 652425774 is 477524256.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135777 + ... + 140499.

It is an arithmetic number, because the mean of its divisors is an integer number (14285376).

Almost surely, 2^652425774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652425774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914264064).

652425774 is an abundant number, since it is smaller than the sum of its proper divisors (1176102354).

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

652425774 is a wasteful number, since it uses less digits than its factorization.

652425774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782.

The product of its digits is 470400, while the sum is 42.

The square root of 652425774 is about 25542.6266073010. The cubic root of 652425774 is about 867.3153575030.

It can be divided in two parts, 652 and 425774, that added together give a triangular number (426426 = T₉₂₃).

The spelling of 652425774 in words is "six hundred fifty-two million, four hundred twenty-five thousand, seven hundred seventy-four".