260615801 has 2 divisors, whose sum is σ = 260615802. Its totient is φ = 260615800.

The previous prime is 260615759. The next prime is 260615807. The reversal of 260615801 is 108516062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233325625 + 27290176 = 15275^2 + 5224^2 .

It is a cyclic number.

It is not a de Polignac number, because 260615801 - 2²² = 256421497 is a prime.

It is not a weakly prime, because it can be changed into another prime (260615807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130307900 + 130307901.

It is an arithmetic number, because the mean of its divisors is an integer number (130307901).

Almost surely, 2^260615801 is an apocalyptic number.

It is an amenable number.

260615801 is a deficient number, since it is larger than the sum of its proper divisors (1).

260615801 is an equidigital number, since it uses as much as digits as its factorization.

260615801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 260615801 is about 16143.5993817983. The cubic root of 260615801 is about 638.7539239422.

The spelling of 260615801 in words is "two hundred sixty million, six hundred fifteen thousand, eight hundred one".