64335425 has 48 divisors (see below), whose sum is σ = 104755200. Its totient is φ = 37972800.

The previous prime is 64335421. The next prime is 64335457. The reversal of 64335425 is 52453346.

64335425 = T₁₂₅₄ + T₁₂₅₅ + ... + T₁₃₃₀.

It is not a de Polignac number, because 64335425 - 2² = 64335421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64335391 and 64335400.

It is not an unprimeable number, because it can be changed into a prime (64335421) 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, 35696 + ... + 37454.

It is an arithmetic number, because the mean of its divisors is an integer number (2182400).

Almost surely, 2^64335425 is an apocalyptic number.

It is an amenable number.

64335425 is a deficient number, since it is larger than the sum of its proper divisors (40419775).

64335425 is a wasteful number, since it uses less digits than its factorization.

64335425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1801 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 64335425 is about 8020.9366660010. The cubic root of 64335425 is about 400.6975848147.

The spelling of 64335425 in words is "sixty-four million, three hundred thirty-five thousand, four hundred twenty-five".