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25122065 = 522322531
BaseRepresentation
bin101111111010…
…1010100010001
31202021022222212
41133311110101
522412401230
62254241505
7423351113
oct137652421
952238885
1025122065
11131a9641
1284b6295
135287937
14349d3b3
152313895
hex17f5511

25122065 has 8 divisors (see below), whose sum is σ = 30283008. Its totient is φ = 20006640.

The previous prime is 25122043. The next prime is 25122077. The reversal of 25122065 is 56022152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25122065 - 28 = 25121809 is a prime.

It is a super-2 number, since 2×251220652 = 1262236299728450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25122065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (3785376).

Almost surely, 225122065 is an apocalyptic number.

It is an amenable number.

25122065 is a deficient number, since it is larger than the sum of its proper divisors (5160943).

25122065 is a wasteful number, since it uses less digits than its factorization.

25122065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22759.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25122065 is about 5012.1916364002. The cubic root of 25122065 is about 292.8768950163.

The spelling of 25122065 in words is "twenty-five million, one hundred twenty-two thousand, sixty-five".

Divisors: 1 5 223 1115 22531 112655 5024413 25122065