5142621 has 24 divisors (see below), whose sum is σ = 7796992. Its totient is φ = 3009600.

The previous prime is 5142587. The next prime is 5142623. The reversal of 5142621 is 1262415.

It is not a de Polignac number, because 5142621 - 2⁷ = 5142493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11025 + ... + 11481.

Almost surely, 2^5142621 is an apocalyptic number.

It is an amenable number.

5142621 is a deficient number, since it is larger than the sum of its proper divisors (2654371).

5142621 is a wasteful number, since it uses less digits than its factorization.

5142621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 502 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 5142621 is about 2267.7347728515. The cubic root of 5142621 is about 172.6082328537.

The spelling of 5142621 in words is "five million, one hundred forty-two thousand, six hundred twenty-one".