531467438 has 4 divisors (see below), whose sum is σ = 797201160. Its totient is φ = 265733718.

The previous prime is 531467437. The next prime is 531467467. The reversal of 531467438 is 834764135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834764135 = 5 ⋅166952827.

It is a junction number, because it is equal to n+sod(n) for n = 531467395 and 531467404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531467437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132866858 + ... + 132866861.

It is an arithmetic number, because the mean of its divisors is an integer number (199300290).

Almost surely, 2^531467438 is an apocalyptic number.

531467438 is a deficient number, since it is larger than the sum of its proper divisors (265733722).

531467438 is a wasteful number, since it uses less digits than its factorization.

531467438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265733721.

The product of its digits is 241920, while the sum is 41.

The square root of 531467438 is about 23053.5775531695. The cubic root of 531467438 is about 810.0134316728.

The spelling of 531467438 in words is "five hundred thirty-one million, four hundred sixty-seven thousand, four hundred thirty-eight".