538007465 has 4 divisors (see below), whose sum is σ = 645608964. Its totient is φ = 430405968.

The previous prime is 538007447. The next prime is 538007473. The reversal of 538007465 is 564700835.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148181929 + 389825536 = 12173^2 + 19744^2 .

It is a cyclic number.

It is not a de Polignac number, because 538007465 - 2⁸ = 538007209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53800742 + ... + 53800751.

It is an arithmetic number, because the mean of its divisors is an integer number (161402241).

Almost surely, 2^538007465 is an apocalyptic number.

It is an amenable number.

538007465 is a deficient number, since it is larger than the sum of its proper divisors (107601499).

538007465 is a wasteful number, since it uses less digits than its factorization.

538007465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107601498.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 538007465 is about 23194.9879284297. The cubic root of 538007465 is about 813.3224631076.

The spelling of 538007465 in words is "five hundred thirty-eight million, seven thousand, four hundred sixty-five".