272052421 has 2 divisors, whose sum is σ = 272052422. Its totient is φ = 272052420.

The previous prime is 272052371. The next prime is 272052427. The reversal of 272052421 is 124250272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247905025 + 24147396 = 15745^2 + 4914^2 .

It is a cyclic number.

It is not a de Polignac number, because 272052421 - 2⁹ = 272051909 is a prime.

It is a super-2 number, since 2×272052421² = 148025039543922482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272052427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136026210 + 136026211.

It is an arithmetic number, because the mean of its divisors is an integer number (136026211).

Almost surely, 2^272052421 is an apocalyptic number.

It is an amenable number.

272052421 is a deficient number, since it is larger than the sum of its proper divisors (1).

272052421 is an equidigital number, since it uses as much as digits as its factorization.

272052421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 272052421 is about 16494.0116709065. The cubic root of 272052421 is about 647.9639810353.

The spelling of 272052421 in words is "two hundred seventy-two million, fifty-two thousand, four hundred twenty-one".