537122765 has 4 divisors (see below), whose sum is σ = 644547324. Its totient is φ = 429698208.

The previous prime is 537122753. The next prime is 537122777. The reversal of 537122765 is 567221735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567221735 = 5 ⋅113444347.

It is an interprime number because it is at equal distance from previous prime (537122753) and next prime (537122777).

It can be written as a sum of positive squares in 2 ways, for example, as 385808164 + 151314601 = 19642^2 + 12301^2 .

It is a cyclic number.

It is not a de Polignac number, because 537122765 - 2¹² = 537118669 is a prime.

It is a Duffinian number.

It is a congruent 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, 53712272 + ... + 53712281.

It is an arithmetic number, because the mean of its divisors is an integer number (161136831).

Almost surely, 2^537122765 is an apocalyptic number.

It is an amenable number.

537122765 is a deficient number, since it is larger than the sum of its proper divisors (107424559).

537122765 is a wasteful number, since it uses less digits than its factorization.

537122765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107424558.

The product of its digits is 88200, while the sum is 38.

The square root of 537122765 is about 23175.9091515306. The cubic root of 537122765 is about 812.8764091038.

The spelling of 537122765 in words is "five hundred thirty-seven million, one hundred twenty-two thousand, seven hundred sixty-five".