5351240565 has 128 divisors (see below), whose sum is σ = 10701250560. Its totient is φ = 2514758400.

The previous prime is 5351240549. The next prime is 5351240591. The reversal of 5351240565 is 5650421535.

5351240565 is a `hidden beast` number, since 5 + 3 + 51 + 2 + 40 + 565 = 666.

It is not a de Polignac number, because 5351240565 - 2⁴ = 5351240549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11557524 + ... + 11557986.

It is an arithmetic number, because the mean of its divisors is an integer number (83603520).

Almost surely, 2^5351240565 is an apocalyptic number.

5351240565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5351240565 is a deficient number, since it is larger than the sum of its proper divisors (5350009995).

5351240565 is a wasteful number, since it uses less digits than its factorization.

5351240565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 5351240565 is about 73152.1740278442. The cubic root of 5351240565 is about 1749.1141709994.

It can be divided in two parts, 535 and 1240565, that added together give a triangular number (1241100 = T₁₅₇₅).

The spelling of 5351240565 in words is "five billion, three hundred fifty-one million, two hundred forty thousand, five hundred sixty-five".