618357013 has 2 divisors, whose sum is σ = 618357014. Its totient is φ = 618357012.

The previous prime is 618356951. The next prime is 618357029. The reversal of 618357013 is 310753816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347524164 + 270832849 = 18642^2 + 16457^2 .

It is a cyclic number.

It is not a de Polignac number, because 618357013 - 2¹³ = 618348821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 618357013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618357043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309178506 + 309178507.

It is an arithmetic number, because the mean of its divisors is an integer number (309178507).

Almost surely, 2^618357013 is an apocalyptic number.

It is an amenable number.

618357013 is a deficient number, since it is larger than the sum of its proper divisors (1).

618357013 is an equidigital number, since it uses as much as digits as its factorization.

618357013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 618357013 is about 24866.7853370716. The cubic root of 618357013 is about 851.9480179627.

The spelling of 618357013 in words is "six hundred eighteen million, three hundred fifty-seven thousand, thirteen".