5387125881 has 4 divisors (see below), whose sum is σ = 7182834512. Its totient is φ = 3591417252.

The previous prime is 5387125831. The next prime is 5387125883. The reversal of 5387125881 is 1885217835.

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 not a de Polignac number, because 5387125881 - 2¹³ = 5387117689 is a prime.

It is a super-2 number, since 2×5387125881² = 58042250515480052322, 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 5387125881.

It is not an unprimeable number, because it can be changed into a prime (5387125883) 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, 897854311 + ... + 897854316.

It is an arithmetic number, because the mean of its divisors is an integer number (1795708628).

Almost surely, 2^5387125881 is an apocalyptic number.

It is an amenable number.

5387125881 is a deficient number, since it is larger than the sum of its proper divisors (1795708631).

5387125881 is a wasteful number, since it uses less digits than its factorization.

5387125881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795708630.

The product of its digits is 537600, while the sum is 48.

The square root of 5387125881 is about 73397.0427265295. The cubic root of 5387125881 is about 1753.0153056031.

The spelling of 5387125881 in words is "five billion, three hundred eighty-seven million, one hundred twenty-five thousand, eight hundred eighty-one".