42473653 has 2 divisors, whose sum is σ = 42473654. Its totient is φ = 42473652.

The previous prime is 42473623. The next prime is 42473671. The reversal of 42473653 is 35637424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32695524 + 9778129 = 5718^2 + 3127^2 .

It is a cyclic number.

It is not a de Polignac number, because 42473653 - 2⁵ = 42473621 is a prime.

It is a super-2 number, since 2×42473653² = 3608022398328818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42473623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21236826 + 21236827.

It is an arithmetic number, because the mean of its divisors is an integer number (21236827).

Almost surely, 2^42473653 is an apocalyptic number.

It is an amenable number.

42473653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42473653 is an equidigital number, since it uses as much as digits as its factorization.

42473653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 42473653 is about 6517.1813692731. The cubic root of 42473653 is about 348.9044738186.

The spelling of 42473653 in words is "forty-two million, four hundred seventy-three thousand, six hundred fifty-three".