45952591 has 2 divisors, whose sum is σ = 45952592. Its totient is φ = 45952590.

The previous prime is 45952589. The next prime is 45952603. The reversal of 45952591 is 19525954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45952591 - 2¹ = 45952589 is a prime.

It is a super-2 number, since 2×45952591² = 4223281239226562, which contains 22 as substring.

Together with 45952589, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45952561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22976295 + 22976296.

It is an arithmetic number, because the mean of its divisors is an integer number (22976296).

Almost surely, 2^45952591 is an apocalyptic number.

45952591 is a deficient number, since it is larger than the sum of its proper divisors (1).

45952591 is an equidigital number, since it uses as much as digits as its factorization.

45952591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 40.

The square root of 45952591 is about 6778.8340442881. The cubic root of 45952591 is about 358.1816515166.

It can be divided in two parts, 4 and 5952591, that added together give a palindrome (5952595).

The spelling of 45952591 in words is "forty-five million, nine hundred fifty-two thousand, five hundred ninety-one".