261414007 has 2 divisors, whose sum is σ = 261414008. Its totient is φ = 261414006.

The previous prime is 261414001. The next prime is 261414017. The reversal of 261414007 is 700414162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261414007 - 2¹⁹ = 260889719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261414001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130707003 + 130707004.

It is an arithmetic number, because the mean of its divisors is an integer number (130707004).

Almost surely, 2^261414007 is an apocalyptic number.

261414007 is a deficient number, since it is larger than the sum of its proper divisors (1).

261414007 is an equidigital number, since it uses as much as digits as its factorization.

261414007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 261414007 is about 16168.3025392278. The cubic root of 261414007 is about 639.4053778852.

Adding to 261414007 its reverse (700414162), we get a palindrome (961828169).

The spelling of 261414007 in words is "two hundred sixty-one million, four hundred fourteen thousand, seven".