1415591 has 2 divisors, whose sum is σ = 1415592. Its totient is φ = 1415590.

The previous prime is 1415569. The next prime is 1415611. The reversal of 1415591 is 1955141.

It is a strong prime.

It is an emirp because it is prime and its reverse (1955141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1415591 is a prime.

It is a Chen prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1415591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707795 + 707796.

It is an arithmetic number, because the mean of its divisors is an integer number (707796).

2^1415591 is an apocalyptic number.

1415591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415591 is an equidigital number, since it uses as much as digits as its factorization.

1415591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 26.

The square root of 1415591 is about 1189.7861152325. The cubic root of 1415591 is about 112.2826354380.

The spelling of 1415591 in words is "one million, four hundred fifteen thousand, five hundred ninety-one".