62521 has 4 divisors (see below), whose sum is σ = 63232. Its totient is φ = 61812.

The previous prime is 62507. The next prime is 62533. The reversal of 62521 is 12526.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12526 = 2 ⋅6263.

It is a cyclic number.

It is not a de Polignac number, because 62521 - 2¹⁵ = 29753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 62495 and 62504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62501) 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, 201 + ... + 406.

It is an arithmetic number, because the mean of its divisors is an integer number (15808).

2⁶²⁵²¹ is an apocalyptic number.

It is an amenable number.

62521 is a deficient number, since it is larger than the sum of its proper divisors (711).

62521 is a wasteful number, since it uses less digits than its factorization.

62521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its digits is 120, while the sum is 16.

The square root of 62521 is about 250.0419964726. The cubic root of 62521 is about 39.6894705244.

It can be divided in two parts, 625 and 21, that added together give a palindrome (646).

The spelling of 62521 in words is "sixty-two thousand, five hundred twenty-one".