25103055 has 16 divisors (see below), whose sum is σ = 40247424. Its totient is φ = 13360800.

The previous prime is 25103053. The next prime is 25103069. The reversal of 25103055 is 55030152.

It is not a de Polignac number, because 25103055 - 2¹ = 25103053 is a prime.

It is a super-3 number, since 3×25103055³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103053) 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, 7380 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (2515464).

Almost surely, 2^25103055 is an apocalyptic number.

25103055 is a deficient number, since it is larger than the sum of its proper divisors (15144369).

25103055 is a wasteful number, since it uses less digits than its factorization.

25103055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 25103055 is about 5010.2949015003. The cubic root of 25103055 is about 292.8030025410.

It can be divided in two parts, 2510 and 3055, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 25103055 in words is "twenty-five million, one hundred three thousand, fifty-five".