537738657 has 16 divisors (see below), whose sum is σ = 743335488. Its totient is φ = 345528320.

The previous prime is 537738653. The next prime is 537738661. The reversal of 537738657 is 756837735.

It is an interprime number because it is at equal distance from previous prime (537738653) and next prime (537738661).

It is not a de Polignac number, because 537738657 - 2² = 537738653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537738653) 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, 16128 + ... + 36545.

It is an arithmetic number, because the mean of its divisors is an integer number (46458468).

Almost surely, 2^537738657 is an apocalyptic number.

It is an amenable number.

537738657 is a deficient number, since it is larger than the sum of its proper divisors (205596831).

537738657 is a wasteful number, since it uses less digits than its factorization.

537738657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52800.

The product of its digits is 3704400, while the sum is 51.

The square root of 537738657 is about 23189.1926767622. The cubic root of 537738657 is about 813.1869854297.

The spelling of 537738657 in words is "five hundred thirty-seven million, seven hundred thirty-eight thousand, six hundred fifty-seven".