25232730 has 16 divisors (see below), whose sum is σ = 60558624. Its totient is φ = 6728720.

The previous prime is 25232723. The next prime is 25232731. The reversal of 25232730 is 3723252.

It is a self number, because there is not a number n which added to its sum of digits gives 25232730.

It is not an unprimeable number, because it can be changed into a prime (25232731) 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, 420516 + ... + 420575.

It is an arithmetic number, because the mean of its divisors is an integer number (3784914).

Almost surely, 2^25232730 is an apocalyptic number.

25232730 is an abundant number, since it is smaller than the sum of its proper divisors (35325894).

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

25232730 is a wasteful number, since it uses less digits than its factorization.

25232730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841101.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 25232730 is about 5023.2190873980. The cubic root of 25232730 is about 293.3063149472.

Adding to 25232730 its reverse (3723252), we get a palindrome (28955982).

It can be divided in two parts, 2523 and 2730, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 25232730 in words is "twenty-five million, two hundred thirty-two thousand, seven hundred thirty".