516772147 has 2 divisors, whose sum is σ = 516772148. Its totient is φ = 516772146.

The previous prime is 516772133. The next prime is 516772153. The reversal of 516772147 is 741277615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516772147 - 2¹¹ = 516770099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (516772177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258386073 + 258386074.

It is an arithmetic number, because the mean of its divisors is an integer number (258386074).

Almost surely, 2^516772147 is an apocalyptic number.

516772147 is a deficient number, since it is larger than the sum of its proper divisors (1).

516772147 is an equidigital number, since it uses as much as digits as its factorization.

516772147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 40.

The square root of 516772147 is about 22732.6229678847. The cubic root of 516772147 is about 802.4778108725.

It can be divided in two parts, 51677 and 2147, that added together give a square (53824 = 232²).

The spelling of 516772147 in words is "five hundred sixteen million, seven hundred seventy-two thousand, one hundred forty-seven".