326261051 has 4 divisors (see below), whose sum is σ = 327626400. Its totient is φ = 324895704.

The previous prime is 326261041. The next prime is 326261063. The reversal of 326261051 is 150162623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326261051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326261051.

It is not an unprimeable number, because it can be changed into a prime (326261011) 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, 682316 + ... + 682793.

It is an arithmetic number, because the mean of its divisors is an integer number (81906600).

Almost surely, 2^326261051 is an apocalyptic number.

326261051 is a deficient number, since it is larger than the sum of its proper divisors (1365349).

326261051 is a wasteful number, since it uses less digits than its factorization.

326261051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365348.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 326261051 is about 18062.6977774639. The cubic root of 326261051 is about 688.4225330345.

The spelling of 326261051 in words is "three hundred twenty-six million, two hundred sixty-one thousand, fifty-one".