25702045 has 16 divisors (see below), whose sum is σ = 33198768. Its totient is φ = 19031040.

The previous prime is 25702037. The next prime is 25702051. The reversal of 25702045 is 54020752.

It can be written as a sum of positive squares in 8 ways, for example, as 27556 + 25674489 = 166^2 + 5067^2 .

It is not a de Polignac number, because 25702045 - 2³ = 25702037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2707 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (2074923).

Almost surely, 2^25702045 is an apocalyptic number.

It is an amenable number.

25702045 is a deficient number, since it is larger than the sum of its proper divisors (7496723).

25702045 is a wasteful number, since it uses less digits than its factorization.

25702045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 25702045 is about 5069.7184339961. The cubic root of 25702045 is about 295.1136017516.

Adding to 25702045 its reverse (54020752), we get a palindrome (79722797).

The spelling of 25702045 in words is "twenty-five million, seven hundred two thousand, forty-five".