5142881 has 4 divisors (see below), whose sum is σ = 5252352. Its totient is φ = 5033412.

The previous prime is 5142877. The next prime is 5142883. The reversal of 5142881 is 1882415.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1882415 = 5 ⋅376483.

It is a cyclic number.

It is not a de Polignac number, because 5142881 - 2² = 5142877 is a prime.

It is a super-2 number, since 2×5142881² = 52898449960322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5142883) 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, 54665 + ... + 54758.

It is an arithmetic number, because the mean of its divisors is an integer number (1313088).

Almost surely, 2^5142881 is an apocalyptic number.

It is an amenable number.

5142881 is a deficient number, since it is larger than the sum of its proper divisors (109471).

5142881 is a wasteful number, since it uses less digits than its factorization.

5142881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109470.

The product of its digits is 2560, while the sum is 29.

The square root of 5142881 is about 2267.7920980548. The cubic root of 5142881 is about 172.6111417066.

The spelling of 5142881 in words is "five million, one hundred forty-two thousand, eight hundred eighty-one".