7528250505 has 32 divisors (see below), whose sum is σ = 13193539200. Its totient is φ = 3648576512.

The previous prime is 7528250503. The next prime is 7528250507. The reversal of 7528250505 is 5050528257.

It is an interprime number because it is at equal distance from previous prime (7528250503) and next prime (7528250507).

It is a cyclic number.

It is not a de Polignac number, because 7528250505 - 2¹ = 7528250503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7528250503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501615 + ... + 516404.

It is an arithmetic number, because the mean of its divisors is an integer number (412298100).

Almost surely, 2^7528250505 is an apocalyptic number.

It is an amenable number.

7528250505 is a deficient number, since it is larger than the sum of its proper divisors (5665288695).

7528250505 is a wasteful number, since it uses less digits than its factorization.

7528250505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018073.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 7528250505 is about 86765.4914410101. The cubic root of 7528250505 is about 1959.8884520197. Note that the first 3 decimals are identical.

The spelling of 7528250505 in words is "seven billion, five hundred twenty-eight million, two hundred fifty thousand, five hundred five".