25530702 has 16 divisors (see below), whose sum is σ = 54065232. Its totient is φ = 8009600.

The previous prime is 25530689. The next prime is 25530707. The reversal of 25530702 is 20703552.

It is a super-2 number, since 2×25530702² = 1303633489225608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125049 + ... + 125252.

It is an arithmetic number, because the mean of its divisors is an integer number (3379077).

Almost surely, 2^25530702 is an apocalyptic number.

25530702 is an abundant number, since it is smaller than the sum of its proper divisors (28534530).

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

25530702 is a wasteful number, since it uses less digits than its factorization.

25530702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250323.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 25530702 is about 5052.7915056927. The cubic root of 25530702 is about 294.4563462246.

The spelling of 25530702 in words is "twenty-five million, five hundred thirty thousand, seven hundred two".