531342454 has 4 divisors (see below), whose sum is σ = 797013684. Its totient is φ = 265671226.

The previous prime is 531342451. The next prime is 531342499. The reversal of 531342454 is 454243135.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531342451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132835612 + ... + 132835615.

It is an arithmetic number, because the mean of its divisors is an integer number (199253421).

Almost surely, 2^531342454 is an apocalyptic number.

531342454 is a deficient number, since it is larger than the sum of its proper divisors (265671230).

531342454 is a wasteful number, since it uses less digits than its factorization.

531342454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265671229.

The product of its digits is 28800, while the sum is 31.

The square root of 531342454 is about 23050.8666648350. The cubic root of 531342454 is about 809.9499303501.

Adding to 531342454 its reverse (454243135), we get a palindrome (985585589).

The spelling of 531342454 in words is "five hundred thirty-one million, three hundred forty-two thousand, four hundred fifty-four".