7265426331 has 16 divisors (see below), whose sum is σ = 9815016960. Its totient is φ = 4779858720.

The previous prime is 7265426327. The next prime is 7265426341. The reversal of 7265426331 is 1336245627.

It is not a de Polignac number, because 7265426331 - 2² = 7265426327 is a prime.

It is a super-2 number, since 2×7265426331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7265426331.

It is not an unprimeable number, because it can be changed into a prime (7265426341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210825 + ... + 242853.

It is an arithmetic number, because the mean of its divisors is an integer number (613438560).

Almost surely, 2^7265426331 is an apocalyptic number.

7265426331 is a deficient number, since it is larger than the sum of its proper divisors (2549590629).

7265426331 is a wasteful number, since it uses less digits than its factorization.

7265426331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026.

The product of its digits is 181440, while the sum is 39.

The square root of 7265426331 is about 85237.4702287673. The cubic root of 7265426331 is about 1936.8100702489.

The spelling of 7265426331 in words is "seven billion, two hundred sixty-five million, four hundred twenty-six thousand, three hundred thirty-one".