40262513 has 2 divisors, whose sum is σ = 40262514. Its totient is φ = 40262512.

The previous prime is 40262479. The next prime is 40262543. The reversal of 40262513 is 31526204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28858384 + 11404129 = 5372^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 40262513 - 2⁶ = 40262449 is a prime.

It is not a weakly prime, because it can be changed into another prime (40262543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20131256 + 20131257.

It is an arithmetic number, because the mean of its divisors is an integer number (20131257).

Almost surely, 2^40262513 is an apocalyptic number.

It is an amenable number.

40262513 is a deficient number, since it is larger than the sum of its proper divisors (1).

40262513 is an equidigital number, since it uses as much as digits as its factorization.

40262513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40262513 is about 6345.2748561430. The cubic root of 40262513 is about 342.7417101403.

Adding to 40262513 its reverse (31526204), we get a palindrome (71788717).

The spelling of 40262513 in words is "forty million, two hundred sixty-two thousand, five hundred thirteen".