25725473 has 4 divisors (see below), whose sum is σ = 25749780. Its totient is φ = 25701168.

The previous prime is 25725463. The next prime is 25725493. The reversal of 25725473 is 37452752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 394384 + 25331089 = 628^2 + 5033^2 .

It is a cyclic number.

It is not a de Polignac number, because 25725473 - 2⁴ = 25725457 is a prime.

It is a super-2 number, since 2×25725473² = 1323599922147458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25725463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10490 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (6437445).

Almost surely, 2^25725473 is an apocalyptic number.

It is an amenable number.

25725473 is a deficient number, since it is larger than the sum of its proper divisors (24307).

25725473 is a wasteful number, since it uses less digits than its factorization.

25725473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24306.

The product of its digits is 58800, while the sum is 35.

The square root of 25725473 is about 5072.0284896676. The cubic root of 25725473 is about 295.2032421128.

The spelling of 25725473 in words is "twenty-five million, seven hundred twenty-five thousand, four hundred seventy-three".