1154025563 has 2 divisors, whose sum is σ = 1154025564. Its totient is φ = 1154025562.

The previous prime is 1154025559. The next prime is 1154025581. The reversal of 1154025563 is 3655204511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154025563 - 2² = 1154025559 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154025533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577012781 + 577012782.

It is an arithmetic number, because the mean of its divisors is an integer number (577012782).

Almost surely, 2^1154025563 is an apocalyptic number.

1154025563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154025563 is an equidigital number, since it uses as much as digits as its factorization.

1154025563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1154025563 is about 33970.9517529315. The cubic root of 1154025563 is about 1048.9106049678.

The spelling of 1154025563 in words is "one billion, one hundred fifty-four million, twenty-five thousand, five hundred sixty-three".