264787461 has 40 divisors (see below), whose sum is σ = 432393984. Its totient is φ = 160755840.

The previous prime is 264787403. The next prime is 264787493. The reversal of 264787461 is 164787462.

It is not a de Polignac number, because 264787461 - 2²³ = 256398853 is a prime.

It is a super-2 number, since 2×264787461² = 140224799005653042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264787261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39586 + ... + 45788.

Almost surely, 2^264787461 is an apocalyptic number.

It is an amenable number.

264787461 is a deficient number, since it is larger than the sum of its proper divisors (167606523).

264787461 is a wasteful number, since it uses less digits than its factorization.

264787461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263 (or 6254 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 264787461 is about 16272.2912031465. The cubic root of 264787461 is about 642.1440632243.

Subtracting from 264787461 its reverse (164787462), we obtain a palindrome (99999999).

The spelling of 264787461 in words is "two hundred sixty-four million, seven hundred eighty-seven thousand, four hundred sixty-one".