40062961 has 2 divisors, whose sum is σ = 40062962. Its totient is φ = 40062960.

The previous prime is 40062929. The next prime is 40062973. The reversal of 40062961 is 16926004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31854736 + 8208225 = 5644^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 40062961 - 2⁵ = 40062929 is a prime.

It is a super-4 number, since 4×40062961⁴ (a number of 32 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (40062991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20031480 + 20031481.

It is an arithmetic number, because the mean of its divisors is an integer number (20031481).

Almost surely, 2^40062961 is an apocalyptic number.

It is an amenable number.

40062961 is a deficient number, since it is larger than the sum of its proper divisors (1).

40062961 is an equidigital number, since it uses as much as digits as its factorization.

40062961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40062961 is about 6329.5308672918. The cubic root of 40062961 is about 342.1745315978.

Adding to 40062961 its reverse (16926004), we get a palindrome (56988965).

The spelling of 40062961 in words is "forty million, sixty-two thousand, nine hundred sixty-one".