534723157 has 2 divisors, whose sum is σ = 534723158. Its totient is φ = 534723156.

The previous prime is 534723143. The next prime is 534723173. The reversal of 534723157 is 751327435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427414276 + 107308881 = 20674^2 + 10359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534723157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534723127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267361578 + 267361579.

It is an arithmetic number, because the mean of its divisors is an integer number (267361579).

Almost surely, 2^534723157 is an apocalyptic number.

It is an amenable number.

534723157 is a deficient number, since it is larger than the sum of its proper divisors (1).

534723157 is an equidigital number, since it uses as much as digits as its factorization.

534723157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 534723157 is about 23124.0817547422. The cubic root of 534723157 is about 811.6640874194.

The spelling of 534723157 in words is "five hundred thirty-four million, seven hundred twenty-three thousand, one hundred fifty-seven".