65025428 has 24 divisors (see below), whose sum is σ = 125863752. Its totient is φ = 29199744.

The previous prime is 65025403. The next prime is 65025431. The reversal of 65025428 is 82452056.

It can be written as a sum of positive squares in 4 ways, for example, as 8655364 + 56370064 = 2942^2 + 7508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65025394 and 65025403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14975 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (5244323).

Almost surely, 2^65025428 is an apocalyptic number.

It is an amenable number.

65025428 is a deficient number, since it is larger than the sum of its proper divisors (60838324).

65025428 is a wasteful number, since it uses less digits than its factorization.

65025428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33851 (or 33849 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 65025428 is about 8063.8345717159. The cubic root of 65025428 is about 402.1249992874.

The spelling of 65025428 in words is "sixty-five million, twenty-five thousand, four hundred twenty-eight".