42601577 has 2 divisors, whose sum is σ = 42601578. Its totient is φ = 42601576.

The previous prime is 42601561. The next prime is 42601621. The reversal of 42601577 is 77510624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 14891881 = 5264^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 42601577 - 2⁴ = 42601561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42601547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21300788 + 21300789.

It is an arithmetic number, because the mean of its divisors is an integer number (21300789).

Almost surely, 2^42601577 is an apocalyptic number.

It is an amenable number.

42601577 is a deficient number, since it is larger than the sum of its proper divisors (1).

42601577 is an equidigital number, since it uses as much as digits as its factorization.

42601577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 42601577 is about 6526.9883560491. The cubic root of 42601577 is about 349.2544046433.

The spelling of 42601577 in words is "forty-two million, six hundred one thousand, five hundred seventy-seven".