42474529 has 2 divisors, whose sum is σ = 42474530. Its totient is φ = 42474528.

The previous prime is 42474499. The next prime is 42474541. The reversal of 42474529 is 92547424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 2024929 = 6360^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 42474529 - 2⁹ = 42474017 is a prime.

It is a super-2 number, since 2×42474529² = 3608171227543682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42474559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21237264 + 21237265.

It is an arithmetic number, because the mean of its divisors is an integer number (21237265).

Almost surely, 2^42474529 is an apocalyptic number.

It is an amenable number.

42474529 is a deficient number, since it is larger than the sum of its proper divisors (1).

42474529 is an equidigital number, since it uses as much as digits as its factorization.

42474529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 42474529 is about 6517.2485758946. The cubic root of 42474529 is about 348.9068724681.

The spelling of 42474529 in words is "forty-two million, four hundred seventy-four thousand, five hundred twenty-nine".