264709541 has 2 divisors, whose sum is σ = 264709542. Its totient is φ = 264709540.

The previous prime is 264709531. The next prime is 264709583. The reversal of 264709541 is 145907462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260176900 + 4532641 = 16130^2 + 2129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264709541 is a prime.

It is a super-2 number, since 2×264709541² = 140142282192861362, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 264709495 and 264709504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264709531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132354770 + 132354771.

It is an arithmetic number, because the mean of its divisors is an integer number (132354771).

Almost surely, 2^264709541 is an apocalyptic number.

It is an amenable number.

264709541 is a deficient number, since it is larger than the sum of its proper divisors (1).

264709541 is an equidigital number, since it uses as much as digits as its factorization.

264709541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 264709541 is about 16269.8967728747. The cubic root of 264709541 is about 642.0810683301.

The spelling of 264709541 in words is "two hundred sixty-four million, seven hundred nine thousand, five hundred forty-one".