141257261 has 2 divisors, whose sum is σ = 141257262. Its totient is φ = 141257260.

The previous prime is 141257203. The next prime is 141257299. The reversal of 141257261 is 162752141.

141257261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115562500 + 25694761 = 10750^2 + 5069^2 .

It is a cyclic number.

It is not a de Polignac number, because 141257261 - 2⁶ = 141257197 is a prime.

It is a super-2 number, since 2×141257261² = 39907227570444242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141257201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70628630 + 70628631.

It is an arithmetic number, because the mean of its divisors is an integer number (70628631).

Almost surely, 2^141257261 is an apocalyptic number.

It is an amenable number.

141257261 is a deficient number, since it is larger than the sum of its proper divisors (1).

141257261 is an equidigital number, since it uses as much as digits as its factorization.

141257261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 141257261 is about 11885.1697926449. The cubic root of 141257261 is about 520.7991422945.

The spelling of 141257261 in words is "one hundred forty-one million, two hundred fifty-seven thousand, two hundred sixty-one".