25454261 has 16 divisors (see below), whose sum is σ = 31183104. Its totient is φ = 20300544.

The previous prime is 25454249. The next prime is 25454293. The reversal of 25454261 is 16245452.

It is a cyclic number.

It is not a de Polignac number, because 25454261 - 2⁶ = 25454197 is a prime.

It is a super-2 number, since 2×25454261² = 1295838806112242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25454201) 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, 3821 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (1948944).

Almost surely, 2^25454261 is an apocalyptic number.

It is an amenable number.

25454261 is a deficient number, since it is larger than the sum of its proper divisors (5728843).

25454261 is a wasteful number, since it uses less digits than its factorization.

25454261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340.

The product of its digits is 9600, while the sum is 29.

The square root of 25454261 is about 5045.2216006832. The cubic root of 25454261 is about 294.1621770170.

The spelling of 25454261 in words is "twenty-five million, four hundred fifty-four thousand, two hundred sixty-one".