3154545257 has 2 divisors, whose sum is σ = 3154545258. Its totient is φ = 3154545256.

The previous prime is 3154545181. The next prime is 3154545263. The reversal of 3154545257 is 7525454513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633857241 + 1520688016 = 40421^2 + 38996^2 .

It is a cyclic number.

It is not a de Polignac number, because 3154545257 - 2¹² = 3154541161 is a prime.

It is a super-2 number, since 2×3154545257² = 19902311556922392098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3154545157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577272628 + 1577272629.

It is an arithmetic number, because the mean of its divisors is an integer number (1577272629).

Almost surely, 2^3154545257 is an apocalyptic number.

It is an amenable number.

3154545257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154545257 is an equidigital number, since it uses as much as digits as its factorization.

3154545257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420000, while the sum is 41.

The square root of 3154545257 is about 56165.3385728244. The cubic root of 3154545257 is about 1466.6019366462.

The spelling of 3154545257 in words is "three billion, one hundred fifty-four million, five hundred forty-five thousand, two hundred fifty-seven".