7453385531 has 32 divisors (see below), whose sum is σ = 8630737920. Its totient is φ = 6391526400.

The previous prime is 7453385509. The next prime is 7453385549. The reversal of 7453385531 is 1355833547.

It is a cyclic number.

It is not a de Polignac number, because 7453385531 - 2¹⁸ = 7453123387 is a prime.

It is a super-2 number, since 2×7453385531² (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 (7453381531) 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 31 ways as a sum of consecutive naturals, for example, 936290 + ... + 944216.

It is an arithmetic number, because the mean of its divisors is an integer number (269710560).

Almost surely, 2^7453385531 is an apocalyptic number.

7453385531 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

7453385531 is a deficient number, since it is larger than the sum of its proper divisors (1177352389).

7453385531 is a wasteful number, since it uses less digits than its factorization.

7453385531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075.

The product of its digits is 756000, while the sum is 44.

The square root of 7453385531 is about 86332.9921351044. The cubic root of 7453385531 is about 1953.3700681283.

The spelling of 7453385531 in words is "seven billion, four hundred fifty-three million, three hundred eighty-five thousand, five hundred thirty-one".