965551051 has 2 divisors, whose sum is σ = 965551052. Its totient is φ = 965551050.

The previous prime is 965551039. The next prime is 965551073. The reversal of 965551051 is 150155569.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 965551051 - 2⁵ = 965551019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 965551051.

It is not a weakly prime, because it can be changed into another prime (965551651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482775525 + 482775526.

It is an arithmetic number, because the mean of its divisors is an integer number (482775526).

Almost surely, 2^965551051 is an apocalyptic number.

965551051 is a deficient number, since it is larger than the sum of its proper divisors (1).

965551051 is an equidigital number, since it uses as much as digits as its factorization.

965551051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 37.

The square root of 965551051 is about 31073.3173478469. The cubic root of 965551051 is about 988.3825750852.

It can be divided in two parts, 9655 and 51051, that added together give a palindrome (60706).

The spelling of 965551051 in words is "nine hundred sixty-five million, five hundred fifty-one thousand, fifty-one".