537978652 has 24 divisors (see below), whose sum is σ = 976550400. Its totient is φ = 259014336.

The previous prime is 537978647. The next prime is 537978653. The reversal of 537978652 is 256879735.

It is a self number, because there is not a number n which added to its sum of digits gives 537978652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537978653) 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 7 ways as a sum of consecutive naturals, for example, 38374 + ... + 50482.

It is an arithmetic number, because the mean of its divisors is an integer number (40689600).

Almost surely, 2^537978652 is an apocalyptic number.

It is an amenable number.

537978652 is a deficient number, since it is larger than the sum of its proper divisors (438571748).

537978652 is a wasteful number, since it uses less digits than its factorization.

537978652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525 (or 12523 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 52.

The square root of 537978652 is about 23194.3668161043. The cubic root of 537978652 is about 813.3079436817.

The spelling of 537978652 in words is "five hundred thirty-seven million, nine hundred seventy-eight thousand, six hundred fifty-two".