5155021 has 8 divisors (see below), whose sum is σ = 5356800. Its totient is φ = 4955520.

The previous prime is 5155001. The next prime is 5155027. The reversal of 5155021 is 1205515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5155021 - 2⁹ = 5154509 is a prime.

It is a super-4 number, since 4×5155021⁴ (a number of 28 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5155021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5085 + ... + 6013.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 2^5155021 is an apocalyptic number.

It is an amenable number.

5155021 is a deficient number, since it is larger than the sum of its proper divisors (201779).

5155021 is a wasteful number, since it uses less digits than its factorization.

5155021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5155021 is about 2270.4671325522. The cubic root of 5155021 is about 172.7468537442.

The spelling of 5155021 in words is "five million, one hundred fifty-five thousand, twenty-one".