7256340525 has 48 divisors (see below), whose sum is σ = 13898923904. Its totient is φ = 3271726080.

The previous prime is 7256340419. The next prime is 7256340529. The reversal of 7256340525 is 5250436527.

It is a happy number.

It is not a de Polignac number, because 7256340525 - 2¹² = 7256336429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7256340529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56344 + ... + 132993.

Almost surely, 2^7256340525 is an apocalyptic number.

7256340525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7256340525 is a deficient number, since it is larger than the sum of its proper divisors (6642583379).

7256340525 is a wasteful number, since it uses less digits than its factorization.

7256340525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189430 (or 189425 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 7256340525 is about 85184.1565374689. The cubic root of 7256340525 is about 1936.0023717791.

The spelling of 7256340525 in words is "seven billion, two hundred fifty-six million, three hundred forty thousand, five hundred twenty-five".