40263101 has 2 divisors, whose sum is σ = 40263102. Its totient is φ = 40263100.

The previous prime is 40263059. The next prime is 40263127. The reversal of 40263101 is 10136204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 1188100 = 6251^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 40263101 - 2¹⁰ = 40262077 is a prime.

It is a super-2 number, since 2×40263101² = 3242234604272402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40263101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40269101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20131550 + 20131551.

It is an arithmetic number, because the mean of its divisors is an integer number (20131551).

Almost surely, 2^40263101 is an apocalyptic number.

It is an amenable number.

40263101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40263101 is an equidigital number, since it uses as much as digits as its factorization.

40263101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40263101 is about 6345.3211896641. The cubic root of 40263101 is about 342.7433786166.

Adding to 40263101 its reverse (10136204), we get a palindrome (50399305).

The spelling of 40263101 in words is "forty million, two hundred sixty-three thousand, one hundred one".