153481963 has 2 divisors, whose sum is σ = 153481964. Its totient is φ = 153481962.

The previous prime is 153481927. The next prime is 153481997. The reversal of 153481963 is 369184351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153481963 - 2¹⁷ = 153350891 is a prime.

It is not a weakly prime, because it can be changed into another prime (153481463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76740981 + 76740982.

It is an arithmetic number, because the mean of its divisors is an integer number (76740982).

Almost surely, 2^153481963 is an apocalyptic number.

153481963 is a deficient number, since it is larger than the sum of its proper divisors (1).

153481963 is an equidigital number, since it uses as much as digits as its factorization.

153481963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 153481963 is about 12388.7837578997. The cubic root of 153481963 is about 535.4091411304.

The spelling of 153481963 in words is "one hundred fifty-three million, four hundred eighty-one thousand, nine hundred sixty-three".