25147045 has 64 divisors (see below), whose sum is σ = 40550400. Its totient is φ = 14817600.

The previous prime is 25147037. The next prime is 25147049. The reversal of 25147045 is 54074152.

It is not a de Polignac number, because 25147045 - 2³ = 25147037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25147049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 584794 + ... + 584836.

It is an arithmetic number, because the mean of its divisors is an integer number (633600).

Almost surely, 2^25147045 is an apocalyptic number.

It is an amenable number.

25147045 is a deficient number, since it is larger than the sum of its proper divisors (15403355).

25147045 is a wasteful number, since it uses less digits than its factorization.

25147045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 25147045 is about 5014.6829411240. The cubic root of 25147045 is about 292.9739364190.

It can be divided in two parts, 2514 and 7045, that added together give a palindrome (9559).

The spelling of 25147045 in words is "twenty-five million, one hundred forty-seven thousand, forty-five".