42052477 has 2 divisors, whose sum is σ = 42052478. Its totient is φ = 42052476.

The previous prime is 42052459. The next prime is 42052499. The reversal of 42052477 is 77425024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31741956 + 10310521 = 5634^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 42052477 - 2¹⁵ = 42019709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42052447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026238 + 21026239.

It is an arithmetic number, because the mean of its divisors is an integer number (21026239).

Almost surely, 2^42052477 is an apocalyptic number.

It is an amenable number.

42052477 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052477 is an equidigital number, since it uses as much as digits as its factorization.

42052477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 42052477 is about 6484.7881229844. The cubic root of 42052477 is about 347.7473752279.

The spelling of 42052477 in words is "forty-two million, fifty-two thousand, four hundred seventy-seven".