7452722525 has 12 divisors (see below), whose sum is σ = 9254006292. Its totient is φ = 5954029440.

The previous prime is 7452722513. The next prime is 7452722539. The reversal of 7452722525 is 5252272547.

It can be written as a sum of positive squares in 6 ways, for example, as 86620249 + 7366102276 = 9307^2 + 85826^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7452722525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185024 + ... + 221673.

It is an arithmetic number, because the mean of its divisors is an integer number (771167191).

Almost surely, 2^7452722525 is an apocalyptic number.

It is an amenable number.

7452722525 is a deficient number, since it is larger than the sum of its proper divisors (1801283767).

7452722525 is a wasteful number, since it uses less digits than its factorization.

7452722525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407440 (or 407435 counting only the distinct ones).

The product of its digits is 392000, while the sum is 41.

The square root of 7452722525 is about 86329.1522314450. The cubic root of 7452722525 is about 1953.3121465984.

The spelling of 7452722525 in words is "seven billion, four hundred fifty-two million, seven hundred twenty-two thousand, five hundred twenty-five".