42575623 has 2 divisors, whose sum is σ = 42575624. Its totient is φ = 42575622.

The previous prime is 42575593. The next prime is 42575653. The reversal of 42575623 is 32657524.

It is a balanced prime because it is at equal distance from previous prime (42575593) and next prime (42575653).

It is a cyclic number.

It is not a de Polignac number, because 42575623 - 2¹⁷ = 42444551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42575653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21287811 + 21287812.

It is an arithmetic number, because the mean of its divisors is an integer number (21287812).

Almost surely, 2^42575623 is an apocalyptic number.

42575623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42575623 is an equidigital number, since it uses as much as digits as its factorization.

42575623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 34.

The square root of 42575623 is about 6524.9998467433. Note that the first 3 decimals coincide. The cubic root of 42575623 is about 349.1834652489.

The spelling of 42575623 in words is "forty-two million, five hundred seventy-five thousand, six hundred twenty-three".