25297050 has 48 divisors (see below), whose sum is σ = 63245952. Its totient is φ = 6691200.

The previous prime is 25297031. The next prime is 25297057. The reversal of 25297050 is 5079252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25296999 and 25297017.

It is not an unprimeable number, because it can be changed into a prime (25297057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19935 + ... + 21165.

It is an arithmetic number, because the mean of its divisors is an integer number (1317624).

Almost surely, 2^25297050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25297050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31622976).

25297050 is an abundant number, since it is smaller than the sum of its proper divisors (37948902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25297050 is a wasteful number, since it uses less digits than its factorization.

25297050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 25297050 is about 5029.6172816627. The cubic root of 25297050 is about 293.5553229491. Note that the first 3 decimals are identical.

The spelling of 25297050 in words is "twenty-five million, two hundred ninety-seven thousand, fifty".