537463509 has 16 divisors (see below), whose sum is σ = 795018240. Its totient is φ = 320213360.

The previous prime is 537463489. The next prime is 537463519. The reversal of 537463509 is 905364735.

It is a cyclic number.

It is not a de Polignac number, because 537463509 - 2¹² = 537459413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537463519) 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, 136077 + ... + 139970.

It is an arithmetic number, because the mean of its divisors is an integer number (49688640).

Almost surely, 2^537463509 is an apocalyptic number.

537463509 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

537463509 is a deficient number, since it is larger than the sum of its proper divisors (257554731).

537463509 is a wasteful number, since it uses less digits than its factorization.

537463509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276120.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 537463509 is about 23183.2592402363. The cubic root of 537463509 is about 813.0482656615.

The spelling of 537463509 in words is "five hundred thirty-seven million, four hundred sixty-three thousand, five hundred nine".