5407521 has 8 divisors (see below), whose sum is σ = 8240064. Its totient is φ = 3090000.

The previous prime is 5407511. The next prime is 5407529. The reversal of 5407521 is 1257045.

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

It is not a de Polignac number, because 5407521 - 2¹⁷ = 5276449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5407491 and 5407500.

It is not an unprimeable number, because it can be changed into a prime (5407529) 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, 128730 + ... + 128771.

It is an arithmetic number, because the mean of its divisors is an integer number (1030008).

Almost surely, 2^5407521 is an apocalyptic number.

It is an amenable number.

5407521 is a deficient number, since it is larger than the sum of its proper divisors (2832543).

5407521 is a wasteful number, since it uses less digits than its factorization.

5407521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257511.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 5407521 is about 2325.4077061883. The cubic root of 5407521 is about 175.5224766466.

The spelling of 5407521 in words is "five million, four hundred seven thousand, five hundred twenty-one".