25020481 has 16 divisors (see below), whose sum is σ = 27993600. Its totient is φ = 22240768.

The previous prime is 25020461. The next prime is 25020487. The reversal of 25020481 is 18402052.

It is a cyclic number.

It is not a de Polignac number, because 25020481 - 2⁷ = 25020353 is a prime.

It is a super-2 number, since 2×25020481² = 1252048938942722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25020487) 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, 34440 + ... + 35158.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^25020481 is an apocalyptic number.

It is an amenable number.

25020481 is a deficient number, since it is larger than the sum of its proper divisors (2973119).

25020481 is a wasteful number, since it uses less digits than its factorization.

25020481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 25020481 is about 5002.0476807004. The cubic root of 25020481 is about 292.4816011024.

The spelling of 25020481 in words is "twenty-five million, twenty thousand, four hundred eighty-one".