3618157 has 2 divisors, whose sum is σ = 3618158. Its totient is φ = 3618156.

The previous prime is 3618143. The next prime is 3618163. The reversal of 3618157 is 7518163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3613801 + 4356 = 1901^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 3618157 - 2⁷ = 3618029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3618137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809078 + 1809079.

It is an arithmetic number, because the mean of its divisors is an integer number (1809079).

Almost surely, 2^3618157 is an apocalyptic number.

It is an amenable number.

3618157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3618157 is an equidigital number, since it uses as much as digits as its factorization.

3618157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 3618157 is about 1902.1453677361. The cubic root of 3618157 is about 153.5191189532.

The spelling of 3618157 in words is "three million, six hundred eighteen thousand, one hundred fifty-seven".