325144531 has 2 divisors, whose sum is σ = 325144532. Its totient is φ = 325144530.

The previous prime is 325144507. The next prime is 325144541. The reversal of 325144531 is 135441523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325144531 - 2¹¹ = 325142483 is a prime.

It is a super-2 number, since 2×325144531² = 211437932078419922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325144531.

It is not a weakly prime, because it can be changed into another prime (325144541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162572265 + 162572266.

It is an arithmetic number, because the mean of its divisors is an integer number (162572266).

Almost surely, 2^325144531 is an apocalyptic number.

325144531 is a deficient number, since it is larger than the sum of its proper divisors (1).

325144531 is an equidigital number, since it uses as much as digits as its factorization.

325144531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 325144531 is about 18031.7645004586. The cubic root of 325144531 is about 687.6363364217.

The spelling of 325144531 in words is "three hundred twenty-five million, one hundred forty-four thousand, five hundred thirty-one".