25025455 has 16 divisors (see below), whose sum is σ = 36961344. Its totient is φ = 15840000.

The previous prime is 25025447. The next prime is 25025459. The reversal of 25025455 is 55452052.

It is not a de Polignac number, because 25025455 - 2³ = 25025447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27046 + ... + 27955.

It is an arithmetic number, because the mean of its divisors is an integer number (2310084).

Almost surely, 2^25025455 is an apocalyptic number.

25025455 is a deficient number, since it is larger than the sum of its proper divisors (11935889).

25025455 is a wasteful number, since it uses less digits than its factorization.

25025455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55026.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 25025455 is about 5002.5448523726. The cubic root of 25025455 is about 292.5009813199.

The spelling of 25025455 in words is "twenty-five million, twenty-five thousand, four hundred fifty-five".