264001953 has 4 divisors (see below), whose sum is σ = 352002608. Its totient is φ = 176001300.

The previous prime is 264001951. The next prime is 264001987. The reversal of 264001953 is 359100462.

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 not a de Polignac number, because 264001953 - 2¹ = 264001951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264001953.

It is not an unprimeable number, because it can be changed into a prime (264001951) 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, 44000323 + ... + 44000328.

It is an arithmetic number, because the mean of its divisors is an integer number (88000652).

Almost surely, 2^264001953 is an apocalyptic number.

It is an amenable number.

264001953 is a deficient number, since it is larger than the sum of its proper divisors (88000655).

264001953 is an equidigital number, since it uses as much as digits as its factorization.

264001953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88000654.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 264001953 is about 16248.1369085812. The cubic root of 264001953 is about 641.5084478929.

The spelling of 264001953 in words is "two hundred sixty-four million, one thousand, nine hundred fifty-three".