5402025521 has 2 divisors, whose sum is σ = 5402025522. Its totient is φ = 5402025520.

The previous prime is 5402025509. The next prime is 5402025533. The reversal of 5402025521 is 1255202045.

It is a balanced prime because it is at equal distance from previous prime (5402025509) and next prime (5402025533).

It can be written as a sum of positive squares in only one way, i.e., 5400633121 + 1392400 = 73489^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5402025521 is a prime.

It is not a weakly prime, because it can be changed into another prime (5402025581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701012760 + 2701012761.

It is an arithmetic number, because the mean of its divisors is an integer number (2701012761).

Almost surely, 2^5402025521 is an apocalyptic number.

It is an amenable number.

5402025521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402025521 is an equidigital number, since it uses as much as digits as its factorization.

5402025521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5402025521 is about 73498.4729161089. The cubic root of 5402025521 is about 1754.6299732597.

Adding to 5402025521 its reverse (1255202045), we get a palindrome (6657227566).

The spelling of 5402025521 in words is "five billion, four hundred two million, twenty-five thousand, five hundred twenty-one".