40325032513 has 2 divisors, whose sum is σ = 40325032514. Its totient is φ = 40325032512.

The previous prime is 40325032477. The next prime is 40325032607. The reversal of 40325032513 is 31523052304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36178702849 + 4146329664 = 190207^2 + 64392^2 .

It is a cyclic number.

It is not a de Polignac number, because 40325032513 - 2²¹ = 40322935361 is a prime.

It is a super-2 number, since 2×40325032513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40325002513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162516256 + 20162516257.

It is an arithmetic number, because the mean of its divisors is an integer number (20162516257).

Almost surely, 2^40325032513 is an apocalyptic number.

It is an amenable number.

40325032513 is a deficient number, since it is larger than the sum of its proper divisors (1).

40325032513 is an equidigital number, since it uses as much as digits as its factorization.

40325032513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 40325032513 its reverse (31523052304), we get a palindrome (71848084817).

The spelling of 40325032513 in words is "forty billion, three hundred twenty-five million, thirty-two thousand, five hundred thirteen".