4062521 has 2 divisors, whose sum is σ = 4062522. Its totient is φ = 4062520.

The previous prime is 4062493. The next prime is 4062533. The reversal of 4062521 is 1252604.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2524921 + 1537600 = 1589^2 + 1240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4062521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4062493 and 4062502.

It is not a weakly prime, because it can be changed into another prime (4062551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031260 + 2031261.

It is an arithmetic number, because the mean of its divisors is an integer number (2031261).

Almost surely, 2^4062521 is an apocalyptic number.

It is an amenable number.

4062521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4062521 is an equidigital number, since it uses as much as digits as its factorization.

4062521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4062521 is about 2015.5696465268. The cubic root of 4062521 is about 159.5628824097.

The spelling of 4062521 in words is "four million, sixty-two thousand, five hundred twenty-one".