260152621 has 2 divisors, whose sum is σ = 260152622. Its totient is φ = 260152620.

The previous prime is 260152573. The next prime is 260152639. The reversal of 260152621 is 126251062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254051721 + 6100900 = 15939^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 260152621 - 2¹³ = 260144429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260152681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130076310 + 130076311.

It is an arithmetic number, because the mean of its divisors is an integer number (130076311).

Almost surely, 2^260152621 is an apocalyptic number.

It is an amenable number.

260152621 is a deficient number, since it is larger than the sum of its proper divisors (1).

260152621 is an equidigital number, since it uses as much as digits as its factorization.

260152621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 260152621 is about 16129.2473785977. The cubic root of 260152621 is about 638.3752906103.

It can be divided in two parts, 260 and 152621, that added together give a square (152881 = 391²).

The spelling of 260152621 in words is "two hundred sixty million, one hundred fifty-two thousand, six hundred twenty-one".