25487303 has 4 divisors (see below), whose sum is σ = 26828760. Its totient is φ = 24145848.

The previous prime is 25487291. The next prime is 25487309. The reversal of 25487303 is 30378452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25487303 - 2¹² = 25483207 is a prime.

It is a super-2 number, since 2×25487303² = 1299205228427618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25487303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25487309) 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, 670700 + ... + 670737.

It is an arithmetic number, because the mean of its divisors is an integer number (6707190).

Almost surely, 2^25487303 is an apocalyptic number.

25487303 is a deficient number, since it is larger than the sum of its proper divisors (1341457).

25487303 is a wasteful number, since it uses less digits than its factorization.

25487303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341456.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 25487303 is about 5048.4951223112. The cubic root of 25487303 is about 294.2894052767.

The spelling of 25487303 in words is "twenty-five million, four hundred eighty-seven thousand, three hundred three".