854531319 has 4 divisors (see below), whose sum is σ = 1139375096. Its totient is φ = 569687544.

The previous prime is 854531309. The next prime is 854531339. The reversal of 854531319 is 913135458.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 854531319 - 2⁵ = 854531287 is a prime.

It is a super-2 number, since 2×854531319² = 1460447550303759522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854531309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142421884 + ... + 142421889.

It is an arithmetic number, because the mean of its divisors is an integer number (284843774).

Almost surely, 2^854531319 is an apocalyptic number.

854531319 is a deficient number, since it is larger than the sum of its proper divisors (284843777).

854531319 is a wasteful number, since it uses less digits than its factorization.

854531319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284843776.

The product of its digits is 64800, while the sum is 39.

The square root of 854531319 is about 29232.3676598390. The cubic root of 854531319 is about 948.9485389796.

The spelling of 854531319 in words is "eight hundred fifty-four million, five hundred thirty-one thousand, three hundred nineteen".