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425265251 = 1729862607
BaseRepresentation
bin11001010110010…
…000100001100011
31002122012201020212
4121112100201203
51332331442001
6110110524335
713352460245
oct3126204143
91078181225
10425265251
111a9062094
12ba5066ab
136a149458
14406a0095
15275047bb
hex19590863

425265251 has 8 divisors (see below), whose sum is σ = 465808320. Its totient is φ = 386447488.

The previous prime is 425265241. The next prime is 425265283. The reversal of 425265251 is 152562524.

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

It is a cyclic number.

It is not a de Polignac number, because 425265251 - 218 = 425003107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425265241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430811 + ... + 431796.

It is an arithmetic number, because the mean of its divisors is an integer number (58226040).

Almost surely, 2425265251 is an apocalyptic number.

425265251 is a deficient number, since it is larger than the sum of its proper divisors (40543069).

425265251 is a wasteful number, since it uses less digits than its factorization.

425265251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862653.

The product of its digits is 24000, while the sum is 32.

The square root of 425265251 is about 20621.9604063241. The cubic root of 425265251 is about 752.0036798852.

The spelling of 425265251 in words is "four hundred twenty-five million, two hundred sixty-five thousand, two hundred fifty-one".

Divisors: 1 17 29 493 862607 14664319 25015603 425265251