45871261 has 4 divisors (see below), whose sum is σ = 46648800. Its totient is φ = 45093724.

The previous prime is 45871249. The next prime is 45871277. The reversal of 45871261 is 16217854.

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-45871261 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 (45871211) 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, 388681 + ... + 388798.

It is an arithmetic number, because the mean of its divisors is an integer number (11662200).

Almost surely, 2^45871261 is an apocalyptic number.

It is an amenable number.

45871261 is a deficient number, since it is larger than the sum of its proper divisors (777539).

45871261 is an equidigital number, since it uses as much as digits as its factorization.

45871261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777538.

The product of its digits is 13440, while the sum is 34.

The square root of 45871261 is about 6772.8325684310. The cubic root of 45871261 is about 357.9702153680.

The spelling of 45871261 in words is "forty-five million, eight hundred seventy-one thousand, two hundred sixty-one".