25105465 has 32 divisors (see below), whose sum is σ = 38211840. Its totient is φ = 15379200.

The previous prime is 25105463. The next prime is 25105471. The reversal of 25105465 is 56450152.

It is not a de Polignac number, because 25105465 - 2¹ = 25105463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25105463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22951 + ... + 24019.

It is an arithmetic number, because the mean of its divisors is an integer number (1194120).

Almost surely, 2^25105465 is an apocalyptic number.

It is an amenable number.

25105465 is a deficient number, since it is larger than the sum of its proper divisors (13106375).

25105465 is a wasteful number, since it uses less digits than its factorization.

25105465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25105465 is about 5010.5354005336. The cubic root of 25105465 is about 292.8123723521.

The spelling of 25105465 in words is "twenty-five million, one hundred five thousand, four hundred sixty-five".