5146253121 has 4 divisors (see below), whose sum is σ = 6861670832. Its totient is φ = 3430835412.

The previous prime is 5146253117. The next prime is 5146253131. The reversal of 5146253121 is 1213526415.

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 5146253121 - 2² = 5146253117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5146253131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857708851 + ... + 857708856.

It is an arithmetic number, because the mean of its divisors is an integer number (1715417708).

Almost surely, 2^5146253121 is an apocalyptic number.

It is an amenable number.

5146253121 is a deficient number, since it is larger than the sum of its proper divisors (1715417711).

5146253121 is a wasteful number, since it uses less digits than its factorization.

5146253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715417710.

The product of its digits is 7200, while the sum is 30.

The square root of 5146253121 is about 71737.3899790061. The cubic root of 5146253121 is about 1726.4885976671.

Adding to 5146253121 its reverse (1213526415), we get a palindrome (6359779536).

The spelling of 5146253121 in words is "five billion, one hundred forty-six million, two hundred fifty-three thousand, one hundred twenty-one".