7215600451 has 2 divisors, whose sum is σ = 7215600452. Its totient is φ = 7215600450.

The previous prime is 7215600449. The next prime is 7215600481. The reversal of 7215600451 is 1540065127.

It is a weak prime.

It is an emirp because it is prime and its reverse (1540065127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7215600451 - 2¹ = 7215600449 is a prime.

Together with 7215600449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7215600481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607800225 + 3607800226.

It is an arithmetic number, because the mean of its divisors is an integer number (3607800226).

Almost surely, 2^7215600451 is an apocalyptic number.

7215600451 is a deficient number, since it is larger than the sum of its proper divisors (1).

7215600451 is an equidigital number, since it uses as much as digits as its factorization.

7215600451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 7215600451 is about 84944.6905403746. The cubic root of 7215600451 is about 1932.3723992516.

Adding to 7215600451 its reverse (1540065127), we get a palindrome (8755665578).

The spelling of 7215600451 in words is "seven billion, two hundred fifteen million, six hundred thousand, four hundred fifty-one".