7125286531 has 8 divisors (see below), whose sum is σ = 7774471728. Its totient is φ = 6476340000.

The previous prime is 7125286489. The next prime is 7125286547. The reversal of 7125286531 is 1356825217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7125286531 - 2¹⁷ = 7125155459 is a prime.

It is a super-2 number, since 2×7125286531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7125286331) 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 7 ways as a sum of consecutive naturals, for example, 5901 + ... + 119521.

It is an arithmetic number, because the mean of its divisors is an integer number (971808966).

Almost surely, 2^7125286531 is an apocalyptic number.

7125286531 is a deficient number, since it is larger than the sum of its proper divisors (649185197).

7125286531 is a wasteful number, since it uses less digits than its factorization.

7125286531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119333.

The product of its digits is 100800, while the sum is 40.

The square root of 7125286531 is about 84411.4123267701. The cubic root of 7125286531 is about 1924.2763597927.

The spelling of 7125286531 in words is "seven billion, one hundred twenty-five million, two hundred eighty-six thousand, five hundred thirty-one".