65026431 has 12 divisors (see below), whose sum is σ = 94559400. Its totient is φ = 43059120.

The previous prime is 65026387. The next prime is 65026453. The reversal of 65026431 is 13462056.

65026431 is a `hidden beast` number, since 650 + 2 + 6 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 65026431 - 2¹⁴ = 65010047 is a prime.

It is a super-2 number, since 2×65026431² = 8456873457195522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65026395 and 65026404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65026231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22905 + ... + 25586.

It is an arithmetic number, because the mean of its divisors is an integer number (7879950).

Almost surely, 2^65026431 is an apocalyptic number.

65026431 is a deficient number, since it is larger than the sum of its proper divisors (29532969).

65026431 is a wasteful number, since it uses less digits than its factorization.

65026431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48646 (or 48643 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 65026431 is about 8063.8967627320. The cubic root of 65026431 is about 402.1270668339.

Adding to 65026431 its reverse (13462056), we get a palindrome (78488487).

The spelling of 65026431 in words is "sixty-five million, twenty-six thousand, four hundred thirty-one".