25147090 has 16 divisors (see below), whose sum is σ = 45401472. Its totient is φ = 10028464.

The previous prime is 25147079. The next prime is 25147093. The reversal of 25147090 is 9074152.

It is a happy number.

It is a super-2 number, since 2×25147090² = 1264752270936200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25147093) 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 7 ways as a sum of consecutive naturals, for example, 154 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (2837592).

Almost surely, 2^25147090 is an apocalyptic number.

25147090 is a deficient number, since it is larger than the sum of its proper divisors (20254382).

25147090 is a wasteful number, since it uses less digits than its factorization.

25147090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 25147090 is about 5014.6874279460. The cubic root of 25147090 is about 292.9741111754.

It can be divided in two parts, 2514 and 7090, that added together give a square (9604 = 98²).

The spelling of 25147090 in words is "twenty-five million, one hundred forty-seven thousand, ninety".