25738545 has 16 divisors (see below), whose sum is σ = 47064960. Its totient is φ = 11766144.

The previous prime is 25738543. The next prime is 25738547. The reversal of 25738545 is 54583752.

25738545 = 114² + 115² + ... + 428².

It is an interprime number because it is at equal distance from previous prime (25738543) and next prime (25738547).

It is not a de Polignac number, because 25738545 - 2¹ = 25738543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25738543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122460 + ... + 122669.

It is an arithmetic number, because the mean of its divisors is an integer number (2941560).

Almost surely, 2^25738545 is an apocalyptic number.

It is an amenable number.

25738545 is a deficient number, since it is larger than the sum of its proper divisors (21326415).

25738545 is a wasteful number, since it uses less digits than its factorization.

25738545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245144.

The product of its digits is 168000, while the sum is 39.

The square root of 25738545 is about 5073.3169623039. The cubic root of 25738545 is about 295.2532346287.

The spelling of 25738545 in words is "twenty-five million, seven hundred thirty-eight thousand, five hundred forty-five".