257103463 has 2 divisors, whose sum is σ = 257103464. Its totient is φ = 257103462.

The previous prime is 257103443. The next prime is 257103481. The reversal of 257103463 is 364301752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257103463 is a prime.

It is a super-2 number, since 2×257103463² = 132204381373184738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257103443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128551731 + 128551732.

It is an arithmetic number, because the mean of its divisors is an integer number (128551732).

Almost surely, 2^257103463 is an apocalyptic number.

257103463 is a deficient number, since it is larger than the sum of its proper divisors (1).

257103463 is an equidigital number, since it uses as much as digits as its factorization.

257103463 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 31.

The square root of 257103463 is about 16034.4461394836. The cubic root of 257103463 is about 635.8714247358.

The spelling of 257103463 in words is "two hundred fifty-seven million, one hundred three thousand, four hundred sixty-three".