25620763 has 4 divisors (see below), whose sum is σ = 29280880. Its totient is φ = 21960648.

The previous prime is 25620757. The next prime is 25620769. The reversal of 25620763 is 36702652.

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

It is an interprime number because it is at equal distance from previous prime (25620757) and next prime (25620769).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25620763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25620769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1830048 + ... + 1830061.

It is an arithmetic number, because the mean of its divisors is an integer number (7320220).

Almost surely, 2^25620763 is an apocalyptic number.

25620763 is a deficient number, since it is larger than the sum of its proper divisors (3660117).

25620763 is an equidigital number, since it uses as much as digits as its factorization.

25620763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660116.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 25620763 is about 5061.6956644982. The cubic root of 25620763 is about 294.8021770534.

The spelling of 25620763 in words is "twenty-five million, six hundred twenty thousand, seven hundred sixty-three".