65412345 has 64 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 29703168.

The previous prime is 65412293. The next prime is 65412353. The reversal of 65412345 is 54321456.

It is not a de Polignac number, because 65412345 - 2⁹ = 65411833 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111142 + ... + 111728.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^65412345 is an apocalyptic number.

It is an amenable number.

65412345 is a deficient number, since it is larger than the sum of its proper divisors (56515335).

65412345 is a wasteful number, since it uses less digits than its factorization.

65412345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its digits is 14400, while the sum is 30.

The square root of 65412345 is about 8087.7898711576. The cubic root of 65412345 is about 402.9210028501.

The spelling of 65412345 in words is "sixty-five million, four hundred twelve thousand, three hundred forty-five".