7265253558 has 32 divisors (see below), whose sum is σ = 15007491072. Its totient is φ = 2342340000.

The previous prime is 7265253551. The next prime is 7265253571. The reversal of 7265253558 is 8553525627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265253551) 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 in 15 ways as a sum of consecutive naturals, for example, 362808 + ... + 382308.

It is an arithmetic number, because the mean of its divisors is an integer number (468984096).

Almost surely, 2^7265253558 is an apocalyptic number.

7265253558 is an abundant number, since it is smaller than the sum of its proper divisors (7742237514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7265253558 is a wasteful number, since it uses less digits than its factorization.

7265253558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21540.

The product of its digits is 2520000, while the sum is 48.

The square root of 7265253558 is about 85236.4567424057. The cubic root of 7265253558 is about 1936.7947175761.

The spelling of 7265253558 in words is "seven billion, two hundred sixty-five million, two hundred fifty-three thousand, five hundred fifty-eight".