537561406 has 8 divisors (see below), whose sum is σ = 811478520. Its totient is φ = 267068568.

The previous prime is 537561383. The next prime is 537561407. The reversal of 537561406 is 604165735.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537561407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855676 + ... + 856303.

It is an arithmetic number, because the mean of its divisors is an integer number (101434815).

Almost surely, 2^537561406 is an apocalyptic number.

537561406 is a deficient number, since it is larger than the sum of its proper divisors (273917114).

537561406 is a wasteful number, since it uses less digits than its factorization.

537561406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712138.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 537561406 is about 23185.3705167720. The cubic root of 537561406 is about 813.0976272477.

The spelling of 537561406 in words is "five hundred thirty-seven million, five hundred sixty-one thousand, four hundred six".