5387365261 has 4 divisors (see below), whose sum is σ = 5387520892. Its totient is φ = 5387209632.

The previous prime is 5387365259. The next prime is 5387365267. The reversal of 5387365261 is 1625637835.

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 483164361 + 4904200900 = 21981^2 + 70030^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387365261 - 2¹ = 5387365259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387365267) 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, 145 + ... + 103801.

It is an arithmetic number, because the mean of its divisors is an integer number (1346880223).

Almost surely, 2^5387365261 is an apocalyptic number.

It is an amenable number.

5387365261 is a deficient number, since it is larger than the sum of its proper divisors (155631).

5387365261 is a wasteful number, since it uses less digits than its factorization.

5387365261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155630.

The product of its digits is 907200, while the sum is 46.

The square root of 5387365261 is about 73398.6734280668. The cubic root of 5387365261 is about 1753.0412706289.

The spelling of 5387365261 in words is "five billion, three hundred eighty-seven million, three hundred sixty-five thousand, two hundred sixty-one".