40598413 has 2 divisors, whose sum is σ = 40598414. Its totient is φ = 40598412.

The previous prime is 40598401. The next prime is 40598417. The reversal of 40598413 is 31489504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 1885129 = 6222^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 40598413 - 2²¹ = 38501261 is a prime.

It is a super-2 number, since 2×40598413² = 3296462276237138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40598417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20299206 + 20299207.

It is an arithmetic number, because the mean of its divisors is an integer number (20299207).

Almost surely, 2^40598413 is an apocalyptic number.

It is an amenable number.

40598413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40598413 is an equidigital number, since it uses as much as digits as its factorization.

40598413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40598413 is about 6371.6883947663. The cubic root of 40598413 is about 343.6922076727.

The spelling of 40598413 in words is "forty million, five hundred ninety-eight thousand, four hundred thirteen".