40961801 has 2 divisors, whose sum is σ = 40961802. Its totient is φ = 40961800.

The previous prime is 40961783. The next prime is 40961813. The reversal of 40961801 is 10816904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 15721225 = 5024^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 40961801 - 2¹⁸ = 40699657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40961831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20480900 + 20480901.

It is an arithmetic number, because the mean of its divisors is an integer number (20480901).

Almost surely, 2^40961801 is an apocalyptic number.

It is an amenable number.

40961801 is a deficient number, since it is larger than the sum of its proper divisors (1).

40961801 is an equidigital number, since it uses as much as digits as its factorization.

40961801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 40961801 is about 6400.1407015784. The cubic root of 40961801 is about 344.7146025926.

The spelling of 40961801 in words is "forty million, nine hundred sixty-one thousand, eight hundred one".