537442765 has 4 divisors (see below), whose sum is σ = 644931324. Its totient is φ = 429954208.

The previous prime is 537442733. The next prime is 537442781. The reversal of 537442765 is 567244735.

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 74891716 + 462551049 = 8654^2 + 21507^2 .

It is a cyclic number.

It is not a de Polignac number, because 537442765 - 2⁵ = 537442733 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, 53744272 + ... + 53744281.

It is an arithmetic number, because the mean of its divisors is an integer number (161232831).

Almost surely, 2^537442765 is an apocalyptic number.

It is an amenable number.

537442765 is a deficient number, since it is larger than the sum of its proper divisors (107488559).

537442765 is a wasteful number, since it uses less digits than its factorization.

537442765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107488558.

The product of its digits is 705600, while the sum is 43.

The square root of 537442765 is about 23182.8118441228. The cubic root of 537442765 is about 813.0378053605.

The spelling of 537442765 in words is "five hundred thirty-seven million, four hundred forty-two thousand, seven hundred sixty-five".