25061345 has 8 divisors (see below), whose sum is σ = 30100776. Its totient is φ = 20030976.

The previous prime is 25061339. The next prime is 25061401. The reversal of 25061345 is 54316052.

It can be written as a sum of positive squares in 4 ways, for example, as 5071504 + 19989841 = 2252^2 + 4471^2 .

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 25061345 - 2¹⁶ = 24995809 is a prime.

It is a Duffinian number.

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, 8369 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (3762597).

Almost surely, 2^25061345 is an apocalyptic number.

It is an amenable number.

25061345 is a deficient number, since it is larger than the sum of its proper divisors (5039431).

25061345 is a wasteful number, since it uses less digits than its factorization.

25061345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 25061345 is about 5006.1307414010. The cubic root of 25061345 is about 292.6407436239.

Adding to 25061345 its reverse (54316052), we get a palindrome (79377397).

The spelling of 25061345 in words is "twenty-five million, sixty-one thousand, three hundred forty-five".