153253002181 has 2 divisors, whose sum is σ = 153253002182. Its totient is φ = 153253002180.

The previous prime is 153253002173. The next prime is 153253002193. The reversal of 153253002181 is 181200352351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152482440100 + 770562081 = 390490^2 + 27759^2 .

It is a cyclic number.

It is not a de Polignac number, because 153253002181 - 2³ = 153253002173 is a prime.

It is a super-2 number, since 2×153253002181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153253702181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76626501090 + 76626501091.

It is an arithmetic number, because the mean of its divisors is an integer number (76626501091).

Almost surely, 2^153253002181 is an apocalyptic number.

It is an amenable number.

153253002181 is a deficient number, since it is larger than the sum of its proper divisors (1).

153253002181 is an equidigital number, since it uses as much as digits as its factorization.

153253002181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 153253002181 in words is "one hundred fifty-three billion, two hundred fifty-three million, two thousand, one hundred eighty-one".