65262401 has 4 divisors (see below), whose sum is σ = 65288532. Its totient is φ = 65236272.

The previous prime is 65262391. The next prime is 65262427. The reversal of 65262401 is 10426256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21715600 + 43546801 = 4660^2 + 6599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65262401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65267401) 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, 8870 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (16322133).

Almost surely, 2^65262401 is an apocalyptic number.

It is an amenable number.

65262401 is a deficient number, since it is larger than the sum of its proper divisors (26131).

65262401 is a wasteful number, since it uses less digits than its factorization.

65262401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26130.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 65262401 is about 8078.5147768634. The cubic root of 65262401 is about 402.6128968443.

Adding to 65262401 its reverse (10426256), we get a palindrome (75688657).

The spelling of 65262401 in words is "sixty-five million, two hundred sixty-two thousand, four hundred one".