65090567 has 4 divisors (see below), whose sum is σ = 66062136. Its totient is φ = 64119000.

The previous prime is 65090563. The next prime is 65090581. The reversal of 65090567 is 76509056.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65090567 - 2² = 65090563 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65090567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65090563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485684 + ... + 485817.

It is an arithmetic number, because the mean of its divisors is an integer number (16515534).

Almost surely, 2^65090567 is an apocalyptic number.

65090567 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

65090567 is a deficient number, since it is larger than the sum of its proper divisors (971569).

65090567 is an equidigital number, since it uses as much as digits as its factorization.

65090567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971568.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 65090567 is about 8067.8725200638. The cubic root of 65090567 is about 402.2592302562.

The spelling of 65090567 in words is "sixty-five million, ninety thousand, five hundred sixty-seven".