675547531 has 2 divisors, whose sum is σ = 675547532. Its totient is φ = 675547530.

The previous prime is 675547519. The next prime is 675547549. The reversal of 675547531 is 135745576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675547531 - 2¹³ = 675539339 is a prime.

It is a super-2 number, since 2×675547531² = 912728933280391922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (675547571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337773765 + 337773766.

It is an arithmetic number, because the mean of its divisors is an integer number (337773766).

Almost surely, 2^675547531 is an apocalyptic number.

675547531 is a deficient number, since it is larger than the sum of its proper divisors (1).

675547531 is an equidigital number, since it uses as much as digits as its factorization.

675547531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 43.

The square root of 675547531 is about 25991.2972165685. The cubic root of 675547531 is about 877.4424411181.

The spelling of 675547531 in words is "six hundred seventy-five million, five hundred forty-seven thousand, five hundred thirty-one".