40514521 has 2 divisors, whose sum is σ = 40514522. Its totient is φ = 40514520.

The previous prime is 40514503. The next prime is 40514527. The reversal of 40514521 is 12541504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 1296 = 6365^2 + 36^2 .

It is a cyclic number.

It is not a de Polignac number, because 40514521 - 2⁷ = 40514393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40514492 and 40514501.

It is not a weakly prime, because it can be changed into another prime (40514527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20257260 + 20257261.

It is an arithmetic number, because the mean of its divisors is an integer number (20257261).

Almost surely, 2^40514521 is an apocalyptic number.

It is an amenable number.

40514521 is a deficient number, since it is larger than the sum of its proper divisors (1).

40514521 is an equidigital number, since it uses as much as digits as its factorization.

40514521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40514521 is about 6365.1018059415. The cubic root of 40514521 is about 343.4553108136.

The spelling of 40514521 in words is "forty million, five hundred fourteen thousand, five hundred twenty-one".