25357345 has 8 divisors (see below), whose sum is σ = 32769576. Its totient is φ = 18725376.

The previous prime is 25357333. The next prime is 25357357. The reversal of 25357345 is 54375352.

It is an interprime number because it is at equal distance from previous prime (25357333) and next prime (25357357).

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 23309584 = 1431^2 + 4828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25357345 - 2¹³ = 25349153 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 25357345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194992 + ... + 195121.

It is an arithmetic number, because the mean of its divisors is an integer number (4096197).

Almost surely, 2^25357345 is an apocalyptic number.

It is an amenable number.

25357345 is a deficient number, since it is larger than the sum of its proper divisors (7412231).

25357345 is a wasteful number, since it uses less digits than its factorization.

25357345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390131.

The product of its digits is 63000, while the sum is 34.

The square root of 25357345 is about 5035.6077091052. The cubic root of 25357345 is about 293.7883655941.

The spelling of 25357345 in words is "twenty-five million, three hundred fifty-seven thousand, three hundred forty-five".