965555541 has 24 divisors (see below), whose sum is σ = 1406549144. Its totient is φ = 638254080.

The previous prime is 965555533. The next prime is 965555561. The reversal of 965555541 is 145555569.

965555541 is a `hidden beast` number, since 9 + 6 + 55 + 55 + 541 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 327791025 + 637764516 = 18105^2 + 25254^2 .

It is not a de Polignac number, because 965555541 - 2³ = 965555533 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965555561) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743805 + ... + 745101.

Almost surely, 2^965555541 is an apocalyptic number.

It is an amenable number.

965555541 is a deficient number, since it is larger than the sum of its proper divisors (440993603).

965555541 is a wasteful number, since it uses less digits than its factorization.

965555541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1938 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The square root of 965555541 is about 31073.3895962446. The cubic root of 965555541 is about 988.3841071399.

The spelling of 965555541 in words is "nine hundred sixty-five million, five hundred fifty-five thousand, five hundred forty-one".