42501293 has 2 divisors, whose sum is σ = 42501294. Its totient is φ = 42501292.

The previous prime is 42501287. The next prime is 42501311. The reversal of 42501293 is 39210524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35200489 + 7300804 = 5933^2 + 2702^2 .

It is a cyclic number.

It is not a de Polignac number, because 42501293 - 2¹⁸ = 42239149 is a prime.

It is a super-4 number, since 4×42501293⁴ (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42501253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21250646 + 21250647.

It is an arithmetic number, because the mean of its divisors is an integer number (21250647).

Almost surely, 2^42501293 is an apocalyptic number.

It is an amenable number.

42501293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42501293 is an equidigital number, since it uses as much as digits as its factorization.

42501293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 42501293 is about 6519.3015730215. The cubic root of 42501293 is about 348.9801413429.

The spelling of 42501293 in words is "forty-two million, five hundred one thousand, two hundred ninety-three".