531157355 has 8 divisors (see below), whose sum is σ = 639316464. Its totient is φ = 423640800.

The previous prime is 531157349. The next prime is 531157381. The reversal of 531157355 is 553751135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531157355 - 2¹⁰ = 531156331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158816 + ... + 162125.

It is an arithmetic number, because the mean of its divisors is an integer number (79914558).

Almost surely, 2^531157355 is an apocalyptic number.

531157355 is a deficient number, since it is larger than the sum of its proper divisors (108159109).

531157355 is a wasteful number, since it uses less digits than its factorization.

531157355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321277.

The product of its digits is 39375, while the sum is 35.

The square root of 531157355 is about 23046.8513033776. The cubic root of 531157355 is about 809.8558677650.

The spelling of 531157355 in words is "five hundred thirty-one million, one hundred fifty-seven thousand, three hundred fifty-five".