25416461 has 4 divisors (see below), whose sum is σ = 29047392. Its totient is φ = 21785532.

The previous prime is 25416451. The next prime is 25416463. The reversal of 25416461 is 16461452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25416461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25416463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815455 + ... + 1815468.

It is an arithmetic number, because the mean of its divisors is an integer number (7261848).

Almost surely, 2^25416461 is an apocalyptic number.

It is an amenable number.

25416461 is a deficient number, since it is larger than the sum of its proper divisors (3630931).

25416461 is an equidigital number, since it uses as much as digits as its factorization.

25416461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630930.

The product of its digits is 5760, while the sum is 29.

The square root of 25416461 is about 5041.4740899860. The cubic root of 25416461 is about 294.0164929739.

The spelling of 25416461 in words is "twenty-five million, four hundred sixteen thousand, four hundred sixty-one".