42792157 has 2 divisors, whose sum is σ = 42792158. Its totient is φ = 42792156.

The previous prime is 42792133. The next prime is 42792173. The reversal of 42792157 is 75129724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35748441 + 7043716 = 5979^2 + 2654^2 .

It is a cyclic number.

It is not a de Polignac number, because 42792157 - 2¹⁵ = 42759389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42792107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396078 + 21396079.

It is an arithmetic number, because the mean of its divisors is an integer number (21396079).

Almost surely, 2^42792157 is an apocalyptic number.

It is an amenable number.

42792157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42792157 is an equidigital number, since it uses as much as digits as its factorization.

42792157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 42792157 is about 6541.5714472900. The cubic root of 42792157 is about 349.7744315273.

The spelling of 42792157 in words is "forty-two million, seven hundred ninety-two thousand, one hundred fifty-seven".