264062381 has 4 divisors (see below), whose sum is σ = 288068064. Its totient is φ = 240056700.

The previous prime is 264062339. The next prime is 264062401. The reversal of 264062381 is 183260462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264062381 is a prime.

It is a super-2 number, since 2×264062381² = 139457882118778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264062311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12002825 + ... + 12002846.

It is an arithmetic number, because the mean of its divisors is an integer number (72017016).

Almost surely, 2^264062381 is an apocalyptic number.

It is an amenable number.

264062381 is a deficient number, since it is larger than the sum of its proper divisors (24005683).

264062381 is a wasteful number, since it uses less digits than its factorization.

264062381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24005682.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 264062381 is about 16249.9963384611. The cubic root of 264062381 is about 641.5573895955.

The spelling of 264062381 in words is "two hundred sixty-four million, sixty-two thousand, three hundred eighty-one".