65625629 has 8 divisors (see below), whose sum is σ = 67122528. Its totient is φ = 64144080.

The previous prime is 65625557. The next prime is 65625643. The reversal of 65625629 is 92652656.

65625629 = T₁₃₆₆ + T₁₃₆₇ + ... + T₁₄₃₂.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65625629 - 2¹² = 65621533 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 (65625649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5039 + ... + 12515.

It is an arithmetic number, because the mean of its divisors is an integer number (8390316).

Almost surely, 2^65625629 is an apocalyptic number.

It is an amenable number.

65625629 is a deficient number, since it is larger than the sum of its proper divisors (1496899).

65625629 is a wasteful number, since it uses less digits than its factorization.

65625629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675.

The product of its digits is 194400, while the sum is 41.

The square root of 65625629 is about 8100.9646956396. The cubic root of 65625629 is about 403.3584501961.

The spelling of 65625629 in words is "sixty-five million, six hundred twenty-five thousand, six hundred twenty-nine".