5071521 has 24 divisors (see below), whose sum is σ = 8374080. Its totient is φ = 2673216.

The previous prime is 5071519. The next prime is 5071543. The reversal of 5071521 is 1251705.

It is not a de Polignac number, because 5071521 - 2¹ = 5071519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

5071521 is a modest number, since divided by 1521 gives 507 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5071501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2835 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (348920).

Almost surely, 2^5071521 is an apocalyptic number.

It is an amenable number.

5071521 is a deficient number, since it is larger than the sum of its proper divisors (3302559).

5071521 is a wasteful number, since it uses less digits than its factorization.

5071521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 5071521 is about 2252.0037744196. The cubic root of 5071521 is about 171.8090656628.

The spelling of 5071521 in words is "five million, seventy-one thousand, five hundred twenty-one".