42754501 has 2 divisors, whose sum is σ = 42754502. Its totient is φ = 42754500.

The previous prime is 42754489. The next prime is 42754511. The reversal of 42754501 is 10545724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 15610401 = 5210^2 + 3951^2 .

It is a cyclic number.

It is not a de Polignac number, because 42754501 - 2¹³ = 42746309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42754501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42754511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21377250 + 21377251.

It is an arithmetic number, because the mean of its divisors is an integer number (21377251).

Almost surely, 2^42754501 is an apocalyptic number.

It is an amenable number.

42754501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42754501 is an equidigital number, since it uses as much as digits as its factorization.

42754501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 42754501 is about 6538.6926063243. The cubic root of 42754501 is about 349.6718039103.

The spelling of 42754501 in words is "forty-two million, seven hundred fifty-four thousand, five hundred one".