1306455461 has 4 divisors (see below), whose sum is σ = 1319924172. Its totient is φ = 1292986752.

The previous prime is 1306455443. The next prime is 1306455509. The reversal of 1306455461 is 1645546031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1645546031 = 1277 ⋅1288603.

It can be written as a sum of positive squares in 2 ways, for example, as 876515236 + 429940225 = 29606^2 + 20735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306455461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306455401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734210 + ... + 6734403.

It is an arithmetic number, because the mean of its divisors is an integer number (329981043).

Almost surely, 2^1306455461 is an apocalyptic number.

It is an amenable number.

1306455461 is a deficient number, since it is larger than the sum of its proper divisors (13468711).

1306455461 is an equidigital number, since it uses as much as digits as its factorization.

1306455461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468710.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1306455461 is about 36144.9230321493. The cubic root of 1306455461 is about 1093.1964251925.

The spelling of 1306455461 in words is "one billion, three hundred six million, four hundred fifty-five thousand, four hundred sixty-one".