25157343 has 4 divisors (see below), whose sum is σ = 33543128. Its totient is φ = 16771560.

The previous prime is 25157323. The next prime is 25157389. The reversal of 25157343 is 34375152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25157343 - 2¹³ = 25149151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25157343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25157323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192888 + ... + 4192893.

It is an arithmetic number, because the mean of its divisors is an integer number (8385782).

Almost surely, 2^25157343 is an apocalyptic number.

25157343 is a deficient number, since it is larger than the sum of its proper divisors (8385785).

25157343 is an equidigital number, since it uses as much as digits as its factorization.

25157343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385784.

The product of its digits is 12600, while the sum is 30.

The square root of 25157343 is about 5015.7096207815. The cubic root of 25157343 is about 293.0139230106.

The spelling of 25157343 in words is "twenty-five million, one hundred fifty-seven thousand, three hundred forty-three".