538501497 has 16 divisors (see below), whose sum is σ = 721887168. Its totient is φ = 357065280.

The previous prime is 538501451. The next prime is 538501499. The reversal of 538501497 is 794105835.

It is not a de Polignac number, because 538501497 - 2¹⁴ = 538485113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538501499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814347 + ... + 815007.

It is an arithmetic number, because the mean of its divisors is an integer number (45117948).

Almost surely, 2^538501497 is an apocalyptic number.

It is an amenable number.

538501497 is a deficient number, since it is larger than the sum of its proper divisors (183385671).

538501497 is a wasteful number, since it uses less digits than its factorization.

538501497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 538501497 is about 23205.6350268636. The cubic root of 538501497 is about 813.5713347458.

The spelling of 538501497 in words is "five hundred thirty-eight million, five hundred one thousand, four hundred ninety-seven".