1952591 has 2 divisors, whose sum is σ = 1952592. Its totient is φ = 1952590.

The previous prime is 1952579. The next prime is 1952623.

1952591 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (1952623) can be obtained adding 1952591 to its sum of digits (32).

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1952591 is a prime.

It is a super-3 number, since 3×1952591³ = 22333413367763883213, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1952551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976295 + 976296.

It is an arithmetic number, because the mean of its divisors is an integer number (976296).

2^1952591 is an apocalyptic number.

1952591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952591 is an equidigital number, since it uses as much as digits as its factorization.

1952591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 32.

The square root of 1952591 is about 1397.3514232290. The cubic root of 1952591 is about 124.9886069616.

The spelling of 1952591 in words is "one million, nine hundred fifty-two thousand, five hundred ninety-one".