25140803 has 2 divisors, whose sum is σ = 25140804. Its totient is φ = 25140802.

The previous prime is 25140799. The next prime is 25140823. The reversal of 25140803 is 30804152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25140803 - 2² = 25140799 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25140823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570401 + 12570402.

It is an arithmetic number, because the mean of its divisors is an integer number (12570402).

Almost surely, 2^25140803 is an apocalyptic number.

25140803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25140803 is an equidigital number, since it uses as much as digits as its factorization.

25140803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 25140803 is about 5014.0605301492. The cubic root of 25140803 is about 292.9496937476.

Adding to 25140803 its reverse (30804152), we get a palindrome (55944955).

The spelling of 25140803 in words is "twenty-five million, one hundred forty thousand, eight hundred three".