25202045 has 8 divisors (see below), whose sum is σ = 32991840. Its totient is φ = 18328720.

The previous prime is 25202029. The next prime is 25202053. The reversal of 25202045 is 54020252.

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

It is not a de Polignac number, because 25202045 - 2⁴ = 25202029 is a prime.

It is a congruent 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, 229055 + ... + 229164.

It is an arithmetic number, because the mean of its divisors is an integer number (4123980).

Almost surely, 2^25202045 is an apocalyptic number.

It is an amenable number.

25202045 is a deficient number, since it is larger than the sum of its proper divisors (7789795).

25202045 is a wasteful number, since it uses less digits than its factorization.

25202045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458235.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 25202045 is about 5020.1638419478. The cubic root of 25202045 is about 293.1873721426.

Adding to 25202045 its reverse (54020252), we get a palindrome (79222297).

The spelling of 25202045 in words is "twenty-five million, two hundred two thousand, forty-five".