68452925 has 6 divisors (see below), whose sum is σ = 84881658. Its totient is φ = 54762320.

The previous prime is 68452907. The next prime is 68452927. The reversal of 68452925 is 52925486.

It can be written as a sum of positive squares in 3 ways, for example, as 22714756 + 45738169 = 4766^2 + 6763^2 .

It is a de Polignac number, because none of the positive numbers 2^k-68452925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68452927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1369034 + ... + 1369083.

It is an arithmetic number, because the mean of its divisors is an integer number (14146943).

Almost surely, 2^68452925 is an apocalyptic number.

It is an amenable number.

68452925 is a deficient number, since it is larger than the sum of its proper divisors (16428733).

68452925 is a wasteful number, since it uses less digits than its factorization.

68452925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738127 (or 2738122 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 68452925 is about 8273.6282850996. The cubic root of 68452925 is about 409.0697230704.

The spelling of 68452925 in words is "sixty-eight million, four hundred fifty-two thousand, nine hundred twenty-five".