653472965 has 16 divisors (see below), whose sum is σ = 806800176. Its totient is φ = 507801600.

The previous prime is 653472961. The next prime is 653472971. The reversal of 653472965 is 569274356.

It can be written as a sum of positive squares in 8 ways, for example, as 39325441 + 614147524 = 6271^2 + 24782^2 .

It is not a de Polignac number, because 653472965 - 2² = 653472961 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 (653472961) 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, 40925 + ... + 54605.

It is an arithmetic number, because the mean of its divisors is an integer number (50425011).

Almost surely, 2^653472965 is an apocalyptic number.

It is an amenable number.

653472965 is a deficient number, since it is larger than the sum of its proper divisors (153327211).

653472965 is a wasteful number, since it uses less digits than its factorization.

653472965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13960.

The product of its digits is 1360800, while the sum is 47.

The square root of 653472965 is about 25563.1172786106. The cubic root of 653472965 is about 867.7791442777.

The spelling of 653472965 in words is "six hundred fifty-three million, four hundred seventy-two thousand, nine hundred sixty-five".