25028902 has 4 divisors (see below), whose sum is σ = 37543356. Its totient is φ = 12514450.

The previous prime is 25028893. The next prime is 25028903. The reversal of 25028902 is 20982052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25028903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257224 + ... + 6257227.

It is an arithmetic number, because the mean of its divisors is an integer number (9385839).

Almost surely, 2^25028902 is an apocalyptic number.

25028902 is a deficient number, since it is larger than the sum of its proper divisors (12514454).

25028902 is a wasteful number, since it uses less digits than its factorization.

25028902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12514453.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 25028902 is about 5002.8893651569. The cubic root of 25028902 is about 292.5144103744.

The spelling of 25028902 in words is "twenty-five million, twenty-eight thousand, nine hundred two".