501132157 has 2 divisors, whose sum is σ = 501132158. Its totient is φ = 501132156.

The previous prime is 501132133. The next prime is 501132161. The reversal of 501132157 is 751231105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465955396 + 35176761 = 21586^2 + 5931^2 .

It is a cyclic number.

It is not a de Polignac number, because 501132157 - 2⁷ = 501132029 is a prime.

It is a super-2 number, since 2×501132157² = 502266877558945298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501432157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250566078 + 250566079.

It is an arithmetic number, because the mean of its divisors is an integer number (250566079).

Almost surely, 2^501132157 is an apocalyptic number.

It is an amenable number.

501132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

501132157 is an equidigital number, since it uses as much as digits as its factorization.

501132157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 501132157 is about 22385.9812606015. The cubic root of 501132157 is about 794.2991368012.

The spelling of 501132157 in words is "five hundred one million, one hundred thirty-two thousand, one hundred fifty-seven".