42524250157 has 2 divisors, whose sum is σ = 42524250158. Its totient is φ = 42524250156.

The previous prime is 42524250121. The next prime is 42524250173. The reversal of 42524250157 is 75105242524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42217509961 + 306740196 = 205469^2 + 17514^2 .

It is a cyclic number.

It is not a de Polignac number, because 42524250157 - 2²⁷ = 42390032429 is a prime.

It is a super-2 number, since 2×42524250157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42524250757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21262125078 + 21262125079.

It is an arithmetic number, because the mean of its divisors is an integer number (21262125079).

Almost surely, 2^42524250157 is an apocalyptic number.

It is an amenable number.

42524250157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42524250157 is an equidigital number, since it uses as much as digits as its factorization.

42524250157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 37.

It can be divided in two parts, 42524 and 250157, that added together give a square (292681 = 541²).

The spelling of 42524250157 in words is "forty-two billion, five hundred twenty-four million, two hundred fifty thousand, one hundred fifty-seven".