534145197 has 4 divisors (see below), whose sum is σ = 712193600. Its totient is φ = 356096796.

The previous prime is 534145193. The next prime is 534145211. The reversal of 534145197 is 791541435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 534145197 - 2² = 534145193 is a prime.

It is a super-2 number, since 2×534145197² = 570622182956337618, 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 (534145193) 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, 89024197 + ... + 89024202.

It is an arithmetic number, because the mean of its divisors is an integer number (178048400).

Almost surely, 2^534145197 is an apocalyptic number.

It is an amenable number.

534145197 is a deficient number, since it is larger than the sum of its proper divisors (178048403).

534145197 is a wasteful number, since it uses less digits than its factorization.

534145197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178048402.

The product of its digits is 75600, while the sum is 39.

The square root of 534145197 is about 23111.5814474042. The cubic root of 534145197 is about 811.3715506896.

The spelling of 534145197 in words is "five hundred thirty-four million, one hundred forty-five thousand, one hundred ninety-seven".