41451961 has 8 divisors (see below), whose sum is σ = 41848904. Its totient is φ = 41057280.

The previous prime is 41451959. The next prime is 41451973. The reversal of 41451961 is 16915414.

It can be written as a sum of positive squares in 4 ways, for example, as 3444736 + 38007225 = 1856^2 + 6165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 6-Lehmer number, since φ(41451961) divides (41451961-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 41451961 - 2¹ = 41451959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41451941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76351 + ... + 76891.

It is an arithmetic number, because the mean of its divisors is an integer number (5231113).

Almost surely, 2^41451961 is an apocalyptic number.

It is an amenable number.

41451961 is a deficient number, since it is larger than the sum of its proper divisors (396943).

41451961 is a wasteful number, since it uses less digits than its factorization.

41451961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 4320, while the sum is 31.

The square root of 41451961 is about 6438.3197342164. The cubic root of 41451961 is about 346.0841370448.

The spelling of 41451961 in words is "forty-one million, four hundred fifty-one thousand, nine hundred sixty-one".