260251001 has 2 divisors, whose sum is σ = 260251002. Its totient is φ = 260251000.

The previous prime is 260250971. The next prime is 260251021. The reversal of 260251001 is 100152062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257442025 + 2808976 = 16045^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 260251001 - 2¹⁴ = 260234617 is a prime.

It is not a weakly prime, because it can be changed into another prime (260251021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130125500 + 130125501.

It is an arithmetic number, because the mean of its divisors is an integer number (130125501).

Almost surely, 2^260251001 is an apocalyptic number.

It is an amenable number.

260251001 is a deficient number, since it is larger than the sum of its proper divisors (1).

260251001 is an equidigital number, since it uses as much as digits as its factorization.

260251001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 260251001 is about 16132.2968296520. The cubic root of 260251001 is about 638.4557503623.

The spelling of 260251001 in words is "two hundred sixty million, two hundred fifty-one thousand, one".