5386521397 has 4 divisors (see below), whose sum is σ = 5388033376. Its totient is φ = 5385009420.

The previous prime is 5386521353. The next prime is 5386521419. The reversal of 5386521397 is 7931256835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5386521397 is a prime.

It is a super-2 number, since 2×5386521397² = 58029225520677663218, which contains 22 as substring.

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 5386521397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5386521097) 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, 750633 + ... + 757774.

It is an arithmetic number, because the mean of its divisors is an integer number (1347008344).

Almost surely, 2^5386521397 is an apocalyptic number.

It is an amenable number.

5386521397 is a deficient number, since it is larger than the sum of its proper divisors (1511979).

5386521397 is a wasteful number, since it uses less digits than its factorization.

5386521397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511978.

The product of its digits is 1360800, while the sum is 49.

The square root of 5386521397 is about 73392.9247066773. The cubic root of 5386521397 is about 1752.9497351199.

The spelling of 5386521397 in words is "five billion, three hundred eighty-six million, five hundred twenty-one thousand, three hundred ninety-seven".