614408513 has 2 divisors, whose sum is σ = 614408514. Its totient is φ = 614408512.

The previous prime is 614408507. The next prime is 614408537. The reversal of 614408513 is 315804416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491819329 + 122589184 = 22177^2 + 11072^2 .

It is a cyclic number.

It is not a de Polignac number, because 614408513 - 2⁴ = 614408497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 614408513.

It is not a weakly prime, because it can be changed into another prime (614408813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307204256 + 307204257.

It is an arithmetic number, because the mean of its divisors is an integer number (307204257).

Almost surely, 2^614408513 is an apocalyptic number.

It is an amenable number.

614408513 is a deficient number, since it is larger than the sum of its proper divisors (1).

614408513 is an equidigital number, since it uses as much as digits as its factorization.

614408513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 614408513 is about 24787.2651375661. The cubic root of 614408513 is about 850.1307817222.

The spelling of 614408513 in words is "six hundred fourteen million, four hundred eight thousand, five hundred thirteen".