1461407 has 2 divisors, whose sum is σ = 1461408. Its totient is φ = 1461406.

The previous prime is 1461403. The next prime is 1461409. The reversal of 1461407 is 7041641.

It is a strong prime.

It is an emirp because it is prime and its reverse (7041641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1461407 - 2² = 1461403 is a prime.

Together with 1461409, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730703 + 730704.

It is an arithmetic number, because the mean of its divisors is an integer number (730704).

2^1461407 is an apocalyptic number.

1461407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461407 is an equidigital number, since it uses as much as digits as its factorization.

1461407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1461407 is about 1208.8866778983. The cubic root of 1461407 is about 113.4811498772.

The spelling of 1461407 in words is "one million, four hundred sixty-one thousand, four hundred seven".