65425611 has 8 divisors (see below), whose sum is σ = 88664464. Its totient is φ = 42901920.

The previous prime is 65425609. The next prime is 65425621. The reversal of 65425611 is 11652456.

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

It is not a de Polignac number, because 65425611 - 2¹ = 65425609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65425601) 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, 178576 + ... + 178941.

It is an arithmetic number, because the mean of its divisors is an integer number (11083058).

Almost surely, 2^65425611 is an apocalyptic number.

65425611 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

65425611 is a deficient number, since it is larger than the sum of its proper divisors (23238853).

65425611 is a wasteful number, since it uses less digits than its factorization.

65425611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357581.

The product of its digits is 7200, while the sum is 30.

The square root of 65425611 is about 8088.6099547450. The cubic root of 65425611 is about 402.9482392417.

The spelling of 65425611 in words is "sixty-five million, four hundred twenty-five thousand, six hundred eleven".