264202461 has 6 divisors (see below), whose sum is σ = 381625790. Its totient is φ = 176134968.

The previous prime is 264202451. The next prime is 264202487. The reversal of 264202461 is 164202462.

It can be written as a sum of positive squares in only one way, i.e., 260984025 + 3218436 = 16155^2 + 1794^2 .

It is not a de Polignac number, because 264202461 - 2⁶ = 264202397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264202451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14677906 + ... + 14677923.

Almost surely, 2^264202461 is an apocalyptic number.

It is an amenable number.

264202461 is a deficient number, since it is larger than the sum of its proper divisors (117423329).

264202461 is a wasteful number, since it uses less digits than its factorization.

264202461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29355835 (or 29355832 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 264202461 is about 16254.3059218165. The cubic root of 264202461 is about 641.6708141483.

Subtracting from 264202461 its reverse (164202462), we obtain a palindrome (99999999).

The spelling of 264202461 in words is "two hundred sixty-four million, two hundred two thousand, four hundred sixty-one".