25551343 has 2 divisors, whose sum is σ = 25551344. Its totient is φ = 25551342.

The previous prime is 25551329. The next prime is 25551359. The reversal of 25551343 is 34315552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25551343 is a prime.

It is a super-2 number, since 2×25551343² = 1305742258207298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25551443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775671 + 12775672.

It is an arithmetic number, because the mean of its divisors is an integer number (12775672).

Almost surely, 2^25551343 is an apocalyptic number.

25551343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25551343 is an equidigital number, since it uses as much as digits as its factorization.

25551343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 28.

The square root of 25551343 is about 5054.8336273314. The cubic root of 25551343 is about 294.5356786330.

Adding to 25551343 its reverse (34315552), we get a palindrome (59866895).

It can be divided in two parts, 25 and 551343, that added together give a cube (551368 = 82³).

The spelling of 25551343 in words is "twenty-five million, five hundred fifty-one thousand, three hundred forty-three".