531465147601 has 4 divisors (see below), whose sum is σ = 531769365232. Its totient is φ = 531160929972.

The previous prime is 531465147593. The next prime is 531465147641. The reversal of 531465147601 is 106741564135.

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 a cyclic number.

It is not a de Polignac number, because 531465147601 - 2³ = 531465147593 is a prime.

It is a super-2 number, since 2×531465147601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531465147641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152106195 + ... + 152109688.

It is an arithmetic number, because the mean of its divisors is an integer number (132942341308).

Almost surely, 2^531465147601 is an apocalyptic number.

It is an amenable number.

531465147601 is a deficient number, since it is larger than the sum of its proper divisors (304217631).

531465147601 is a wasteful number, since it uses less digits than its factorization.

531465147601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304217630.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 531465147601 in words is "five hundred thirty-one billion, four hundred sixty-five million, one hundred forty-seven thousand, six hundred one".