264973637 has 2 divisors, whose sum is σ = 264973638. Its totient is φ = 264973636.

The previous prime is 264973619. The next prime is 264973649. The reversal of 264973637 is 736379462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138321121 + 126652516 = 11761^2 + 11254^2 .

It is a cyclic number.

It is not a de Polignac number, because 264973637 - 2⁶ = 264973573 is a prime.

It is a super-2 number, since 2×264973637² = 140422056610015538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264973591 and 264973600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264973607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132486818 + 132486819.

It is an arithmetic number, because the mean of its divisors is an integer number (132486819).

Almost surely, 2^264973637 is an apocalyptic number.

It is an amenable number.

264973637 is a deficient number, since it is larger than the sum of its proper divisors (1).

264973637 is an equidigital number, since it uses as much as digits as its factorization.

264973637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 47.

The square root of 264973637 is about 16278.0108428518. The cubic root of 264973637 is about 642.2945283106.

The spelling of 264973637 in words is "two hundred sixty-four million, nine hundred seventy-three thousand, six hundred thirty-seven".