537634409 has 8 divisors (see below), whose sum is σ = 585967872. Its totient is φ = 490297680.

The previous prime is 537634399. The next prime is 537634423. The reversal of 537634409 is 904436735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 537634409 - 2²⁴ = 520857193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537634459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248057 + ... + 250214.

It is an arithmetic number, because the mean of its divisors is an integer number (73245984).

Almost surely, 2^537634409 is an apocalyptic number.

It is an amenable number.

537634409 is a deficient number, since it is larger than the sum of its proper divisors (48333463).

537634409 is a wasteful number, since it uses less digits than its factorization.

537634409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498367.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 537634409 is about 23186.9447965876. The cubic root of 537634409 is about 813.1344328904.

The spelling of 537634409 in words is "five hundred thirty-seven million, six hundred thirty-four thousand, four hundred nine".