7245748547 has 2 divisors, whose sum is σ = 7245748548. Its totient is φ = 7245748546.

The previous prime is 7245748501. The next prime is 7245748649. The reversal of 7245748547 is 7458475427.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7245748547 - 2²⁰ = 7244699971 is a prime.

It is a super-2 number, since 2×7245748547² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7245742547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622874273 + 3622874274.

It is an arithmetic number, because the mean of its divisors is an integer number (3622874274).

Almost surely, 2^7245748547 is an apocalyptic number.

7245748547 is a deficient number, since it is larger than the sum of its proper divisors (1).

7245748547 is an equidigital number, since it uses as much as digits as its factorization.

7245748547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8780800, while the sum is 53.

The square root of 7245748547 is about 85121.9627769473. The cubic root of 7245748547 is about 1935.0599279470.

The spelling of 7245748547 in words is "seven billion, two hundred forty-five million, seven hundred forty-eight thousand, five hundred forty-seven".