1294651063 has 2 divisors, whose sum is σ = 1294651064. Its totient is φ = 1294651062.

The previous prime is 1294651003. The next prime is 1294651067. The reversal of 1294651063 is 3601564921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294651063 is a prime.

It is a super-2 number, since 2×1294651063² = 3352242749854059938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294651067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647325531 + 647325532.

It is an arithmetic number, because the mean of its divisors is an integer number (647325532).

Almost surely, 2^1294651063 is an apocalyptic number.

1294651063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294651063 is an equidigital number, since it uses as much as digits as its factorization.

1294651063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1294651063 is about 35981.2598862241. The cubic root of 1294651063 is about 1089.8939556796.

It can be divided in two parts, 12946 and 51063, that added together give a square (64009 = 253²).

The spelling of 1294651063 in words is "one billion, two hundred ninety-four million, six hundred fifty-one thousand, sixty-three".