537965399 has 4 divisors (see below), whose sum is σ = 556515960. Its totient is φ = 519414840.

The previous prime is 537965381. The next prime is 537965401. The reversal of 537965399 is 993569735.

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

It is a cyclic number.

It is not a de Polignac number, because 537965399 - 2⁸ = 537965143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537965369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9275237 + ... + 9275294.

It is an arithmetic number, because the mean of its divisors is an integer number (139128990).

Almost surely, 2^537965399 is an apocalyptic number.

537965399 is a deficient number, since it is larger than the sum of its proper divisors (18550561).

537965399 is a wasteful number, since it uses less digits than its factorization.

537965399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18550560.

The product of its digits is 6889050, while the sum is 56.

The square root of 537965399 is about 23194.0811199754. The cubic root of 537965399 is about 813.3012650656.

It can be divided in two parts, 53796 and 5399, that added together give a palindrome (59195).

The spelling of 537965399 in words is "five hundred thirty-seven million, nine hundred sixty-five thousand, three hundred ninety-nine".