153480997 has 2 divisors, whose sum is σ = 153480998. Its totient is φ = 153480996.

The previous prime is 153480973. The next prime is 153481033. The reversal of 153480997 is 799084351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129185956 + 24295041 = 11366^2 + 4929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153480997 is a prime.

It is a super-2 number, since 2×153480997² = 47112832880228018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153480937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76740498 + 76740499.

It is an arithmetic number, because the mean of its divisors is an integer number (76740499).

Almost surely, 2^153480997 is an apocalyptic number.

It is an amenable number.

153480997 is a deficient number, since it is larger than the sum of its proper divisors (1).

153480997 is an equidigital number, since it uses as much as digits as its factorization.

153480997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 153480997 is about 12388.7447709605. The cubic root of 153480997 is about 535.4080178577.

The spelling of 153480997 in words is "one hundred fifty-three million, four hundred eighty thousand, nine hundred ninety-seven".