25485151 has 4 divisors (see below), whose sum is σ = 25671312. Its totient is φ = 25298992.

The previous prime is 25485107. The next prime is 25485157. The reversal of 25485151 is 15158452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25485151 - 2¹³ = 25476959 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25485157) 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, 92875 + ... + 93148.

It is an arithmetic number, because the mean of its divisors is an integer number (6417828).

Almost surely, 2^25485151 is an apocalyptic number.

25485151 is a deficient number, since it is larger than the sum of its proper divisors (186161).

25485151 is a wasteful number, since it uses less digits than its factorization.

25485151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186160.

The product of its digits is 8000, while the sum is 31.

The square root of 25485151 is about 5048.2819849925. The cubic root of 25485151 is about 294.2811223469.

The spelling of 25485151 in words is "twenty-five million, four hundred eighty-five thousand, one hundred fifty-one".