65418925 has 48 divisors (see below), whose sum is σ = 98743680. Its totient is φ = 42336000.

The previous prime is 65418853. The next prime is 65418929. The reversal of 65418925 is 52981456.

It is not a de Polignac number, because 65418925 - 2¹¹ = 65416877 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65418929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103360 + ... + 103990.

It is an arithmetic number, because the mean of its divisors is an integer number (2057160).

Almost surely, 2^65418925 is an apocalyptic number.

65418925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65418925 is a deficient number, since it is larger than the sum of its proper divisors (33324755).

65418925 is a wasteful number, since it uses less digits than its factorization.

65418925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 689 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 65418925 is about 8088.1966469665. The cubic root of 65418925 is about 402.9345126920.

The spelling of 65418925 in words is "sixty-five million, four hundred eighteen thousand, nine hundred twenty-five".