215152463 has 2 divisors, whose sum is σ = 215152464. Its totient is φ = 215152462.

The previous prime is 215152439. The next prime is 215152489. The reversal of 215152463 is 364251512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215152463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215152403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107576231 + 107576232.

It is an arithmetic number, because the mean of its divisors is an integer number (107576232).

Almost surely, 2^215152463 is an apocalyptic number.

215152463 is a deficient number, since it is larger than the sum of its proper divisors (1).

215152463 is an equidigital number, since it uses as much as digits as its factorization.

215152463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 215152463 is about 14668.0763224085. The cubic root of 215152463 is about 599.2142148707.

The spelling of 215152463 in words is "two hundred fifteen million, one hundred fifty-two thousand, four hundred sixty-three".