25140302 has 16 divisors (see below), whose sum is σ = 41226624. Its totient is φ = 11403000.

The previous prime is 25140301. The next prime is 25140317. The reversal of 25140302 is 20304152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25140301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (2576664).

Almost surely, 2^25140302 is an apocalyptic number.

25140302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25140302 is a deficient number, since it is larger than the sum of its proper divisors (16086322).

25140302 is a wasteful number, since it uses less digits than its factorization.

25140302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25140302 is about 5014.0105703917. The cubic root of 25140302 is about 292.9477477906.

Adding to 25140302 its reverse (20304152), we get a palindrome (45444454).

The spelling of 25140302 in words is "twenty-five million, one hundred forty thousand, three hundred two".