468539257 has 4 divisors (see below), whose sum is σ = 469000080. Its totient is φ = 468078436.

The previous prime is 468539213. The next prime is 468539317. The reversal of 468539257 is 752935864.

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 a de Polignac number, because none of the positive numbers 2^k-468539257 is a prime.

It is a super-3 number, since 3×468539257³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468539257.

It is not an unprimeable number, because it can be changed into a prime (468539657) 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, 228883 + ... + 230920.

It is an arithmetic number, because the mean of its divisors is an integer number (117250020).

Almost surely, 2^468539257 is an apocalyptic number.

It is an amenable number.

468539257 is a deficient number, since it is larger than the sum of its proper divisors (460823).

468539257 is a wasteful number, since it uses less digits than its factorization.

468539257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460822.

The product of its digits is 1814400, while the sum is 49.

The square root of 468539257 is about 21645.7676463553. The cubic root of 468539257 is about 776.6916952604.

The spelling of 468539257 in words is "four hundred sixty-eight million, five hundred thirty-nine thousand, two hundred fifty-seven".