253512154261 has 2 divisors, whose sum is σ = 253512154262. Its totient is φ = 253512154260.

The previous prime is 253512154223. The next prime is 253512154303. The reversal of 253512154261 is 162451215352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252813873636 + 698280625 = 502806^2 + 26425^2 .

It is a cyclic number.

It is not a de Polignac number, because 253512154261 - 2²³ = 253503765653 is a prime.

It is a super-2 number, since 2×253512154261² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253512154261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253513154261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126756077130 + 126756077131.

It is an arithmetic number, because the mean of its divisors is an integer number (126756077131).

Almost surely, 2^253512154261 is an apocalyptic number.

It is an amenable number.

253512154261 is a deficient number, since it is larger than the sum of its proper divisors (1).

253512154261 is an equidigital number, since it uses as much as digits as its factorization.

253512154261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The spelling of 253512154261 in words is "two hundred fifty-three billion, five hundred twelve million, one hundred fifty-four thousand, two hundred sixty-one".