7230042551 has 2 divisors, whose sum is σ = 7230042552. Its totient is φ = 7230042550.

The previous prime is 7230042539. The next prime is 7230042559. The reversal of 7230042551 is 1552400327.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7230042551 - 2¹⁸ = 7229780407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7230042559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615021275 + 3615021276.

It is an arithmetic number, because the mean of its divisors is an integer number (3615021276).

Almost surely, 2^7230042551 is an apocalyptic number.

7230042551 is a deficient number, since it is larger than the sum of its proper divisors (1).

7230042551 is an equidigital number, since it uses as much as digits as its factorization.

7230042551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 7230042551 is about 85029.6568909930. The cubic root of 7230042551 is about 1933.6607612865.

Adding to 7230042551 its reverse (1552400327), we get a palindrome (8782442878).

The spelling of 7230042551 in words is "seven billion, two hundred thirty million, forty-two thousand, five hundred fifty-one".