537371389 has 4 divisors (see below), whose sum is σ = 540477756. Its totient is φ = 534265024.

The previous prime is 537371371. The next prime is 537371407. The reversal of 537371389 is 983173735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983173735 = 5 ⋅196634747.

It is an interprime number because it is at equal distance from previous prime (537371371) and next prime (537371407).

It can be written as a sum of positive squares in 2 ways, for example, as 266505625 + 270865764 = 16325^2 + 16458^2 .

It is a cyclic number.

It is not a de Polignac number, because 537371389 - 2¹⁷ = 537240317 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 (537371089) 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, 1552924 + ... + 1553269.

It is an arithmetic number, because the mean of its divisors is an integer number (135119439).

Almost surely, 2^537371389 is an apocalyptic number.

It is an amenable number.

537371389 is a deficient number, since it is larger than the sum of its proper divisors (3106367).

537371389 is a wasteful number, since it uses less digits than its factorization.

537371389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106366.

The product of its digits is 476280, while the sum is 46.

The square root of 537371389 is about 23181.2723766406. The cubic root of 537371389 is about 813.0018114778.

The spelling of 537371389 in words is "five hundred thirty-seven million, three hundred seventy-one thousand, three hundred eighty-nine".