5121535 has 4 divisors (see below), whose sum is σ = 6145848. Its totient is φ = 4097224.

The previous prime is 5121533. The next prime is 5121551. The reversal of 5121535 is 5351215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5351215 = 5 ⋅1070243.

It is a cyclic number.

It is not a de Polignac number, because 5121535 - 2¹ = 5121533 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121533) 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, 512149 + ... + 512158.

It is an arithmetic number, because the mean of its divisors is an integer number (1536462).

Almost surely, 2^5121535 is an apocalyptic number.

5121535 is a deficient number, since it is larger than the sum of its proper divisors (1024313).

5121535 is a wasteful number, since it uses less digits than its factorization.

5121535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024312.

The product of its digits is 750, while the sum is 22.

The square root of 5121535 is about 2263.0808646622. The cubic root of 5121535 is about 172.3719977380.

The spelling of 5121535 in words is "five million, one hundred twenty-one thousand, five hundred thirty-five".