1408487261 has 2 divisors, whose sum is σ = 1408487262. Its totient is φ = 1408487260.

The previous prime is 1408487183. The next prime is 1408487299. The reversal of 1408487261 is 1627848041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327144900 + 81342361 = 36430^2 + 9019^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408487261 - 2¹⁰ = 1408486237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408480261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704243630 + 704243631.

It is an arithmetic number, because the mean of its divisors is an integer number (704243631).

Almost surely, 2^1408487261 is an apocalyptic number.

It is an amenable number.

1408487261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408487261 is an equidigital number, since it uses as much as digits as its factorization.

1408487261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1408487261 is about 37529.8182915932. The cubic root of 1408487261 is about 1120.9450094420.

The spelling of 1408487261 in words is "one billion, four hundred eight million, four hundred eighty-seven thousand, two hundred sixty-one".