995456551 has 2 divisors, whose sum is σ = 995456552. Its totient is φ = 995456550.

The previous prime is 995456521. The next prime is 995456669. The reversal of 995456551 is 155654599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 995456551 - 2⁵ = 995456519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 995456495 and 995456504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995456521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497728275 + 497728276.

It is an arithmetic number, because the mean of its divisors is an integer number (497728276).

Almost surely, 2^995456551 is an apocalyptic number.

995456551 is a deficient number, since it is larger than the sum of its proper divisors (1).

995456551 is an equidigital number, since it uses as much as digits as its factorization.

995456551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215000, while the sum is 49.

The square root of 995456551 is about 31550.8565810819. The cubic root of 995456551 is about 998.4832175341.

The spelling of 995456551 in words is "nine hundred ninety-five million, four hundred fifty-six thousand, five hundred fifty-one".