44971961 has 4 divisors (see below), whose sum is σ = 45021300. Its totient is φ = 44922624.

The previous prime is 44971943. The next prime is 44971981. The reversal of 44971961 is 16917944.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 19971961 = 5000^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 44971961 - 2¹⁸ = 44709817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44971981) 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, 23276 + ... + 25133.

It is an arithmetic number, because the mean of its divisors is an integer number (11255325).

Almost surely, 2^44971961 is an apocalyptic number.

It is an amenable number.

44971961 is a deficient number, since it is larger than the sum of its proper divisors (49339).

44971961 is an equidigital number, since it uses as much as digits as its factorization.

44971961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49338.

The product of its digits is 54432, while the sum is 41.

The square root of 44971961 is about 6706.1137031816. The cubic root of 44971961 is about 355.6154397435.

The spelling of 44971961 in words is "forty-four million, nine hundred seventy-one thousand, nine hundred sixty-one".