531114545 has 8 divisors (see below), whose sum is σ = 686363496. Its totient is φ = 392207616.

The previous prime is 531114541. The next prime is 531114547. The reversal of 531114545 is 545411135.

It can be written as a sum of positive squares in 4 ways, for example, as 19088161 + 512026384 = 4369^2 + 22628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 531114545 - 2² = 531114541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531114541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4085432 + ... + 4085561.

It is an arithmetic number, because the mean of its divisors is an integer number (85795437).

Almost surely, 2^531114545 is an apocalyptic number.

It is an amenable number.

531114545 is a deficient number, since it is larger than the sum of its proper divisors (155248951).

531114545 is a wasteful number, since it uses less digits than its factorization.

531114545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171011.

The product of its digits is 6000, while the sum is 29.

The square root of 531114545 is about 23045.9225243860. The cubic root of 531114545 is about 809.8341097048.

The spelling of 531114545 in words is "five hundred thirty-one million, one hundred fourteen thousand, five hundred forty-five".