25411555 has 16 divisors (see below), whose sum is σ = 33050304. Its totient is φ = 18645120.

The previous prime is 25411541. The next prime is 25411567. The reversal of 25411555 is 55511452.

It is not a de Polignac number, because 25411555 - 2⁵ = 25411523 is a prime.

It is a Duffinian 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, 9685 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (2065644).

Almost surely, 2^25411555 is an apocalyptic number.

25411555 is a deficient number, since it is larger than the sum of its proper divisors (7638749).

25411555 is a wasteful number, since it uses less digits than its factorization.

25411555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526.

The product of its digits is 5000, while the sum is 28.

The square root of 25411555 is about 5040.9875024642. The cubic root of 25411555 is about 293.9975742932.

It can be divided in two parts, 2541 and 1555, that added together give a 12-th power (4096 = 2¹²).

The spelling of 25411555 in words is "twenty-five million, four hundred eleven thousand, five hundred fifty-five".