7212519953 has 2 divisors, whose sum is σ = 7212519954. Its totient is φ = 7212519952.

The previous prime is 7212519913. The next prime is 7212519971. The reversal of 7212519953 is 3599152127.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5482958209 + 1729561744 = 74047^2 + 41588^2 .

It is a cyclic number.

It is not a de Polignac number, because 7212519953 - 2⁸ = 7212519697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7212519913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606259976 + 3606259977.

It is an arithmetic number, because the mean of its divisors is an integer number (3606259977).

Almost surely, 2^7212519953 is an apocalyptic number.

It is an amenable number.

7212519953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212519953 is an equidigital number, since it uses as much as digits as its factorization.

7212519953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 7212519953 is about 84926.5562294857. The cubic root of 7212519953 is about 1932.0973693974.

The spelling of 7212519953 in words is "seven billion, two hundred twelve million, five hundred nineteen thousand, nine hundred fifty-three".