64451125 has 16 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 51282000.

The previous prime is 64451113. The next prime is 64451143. The reversal of 64451125 is 52115446.

It is not a de Polignac number, because 64451125 - 2¹³ = 64442933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64451093 and 64451102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23580 + ... + 26170.

It is an arithmetic number, because the mean of its divisors is an integer number (5054400).

Almost surely, 2^64451125 is an apocalyptic number.

It is an amenable number.

64451125 is a deficient number, since it is larger than the sum of its proper divisors (16419275).

64451125 is a wasteful number, since it uses less digits than its factorization.

64451125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2795 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 64451125 is about 8028.1458008683. The cubic root of 64451125 is about 400.9376440915.

The spelling of 64451125 in words is "sixty-four million, four hundred fifty-one thousand, one hundred twenty-five".