7497481753 has 2 divisors, whose sum is σ = 7497481754. Its totient is φ = 7497481752.

The previous prime is 7497481727. The next prime is 7497481759. The reversal of 7497481753 is 3571847947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7497481744 + 9 = 86588^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 7497481753 - 2¹³ = 7497473561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7497481694 and 7497481703.

It is not a weakly prime, because it can be changed into another prime (7497481759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3748740876 + 3748740877.

It is an arithmetic number, because the mean of its divisors is an integer number (3748740877).

Almost surely, 2^7497481753 is an apocalyptic number.

It is an amenable number.

7497481753 is a deficient number, since it is larger than the sum of its proper divisors (1).

7497481753 is an equidigital number, since it uses as much as digits as its factorization.

7497481753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 55.

The square root of 7497481753 is about 86588.0000519702. Note that the first 4 decimals coincide. The cubic root of 7497481753 is about 1957.2147159779.

The spelling of 7497481753 in words is "seven billion, four hundred ninety-seven million, four hundred eighty-one thousand, seven hundred fifty-three".