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1425031 = 2949139
BaseRepresentation
bin101011011111010000111
32200101202221
411123322013
5331100111
650313211
715053416
oct5337207
92611687
101425031
11893713
12588807
133ab81a
1429147d
151d2371
hex15be87

1425031 has 4 divisors (see below), whose sum is σ = 1474200. Its totient is φ = 1375864.

The previous prime is 1425029. The next prime is 1425049. The reversal of 1425031 is 1305241.

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 1425031 - 21 = 1425029 is a prime.

It is a super-2 number, since 2×14250312 = 4061426701922, which contains 22 as substring.

It is a Duffinian number.

1425031 is a lucky number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1424996 and 1425014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24541 + ... + 24598.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

21425031 is an apocalyptic number.

1425031 is a deficient number, since it is larger than the sum of its proper divisors (49169).

1425031 is an equidigital number, since it uses as much as digits as its factorization.

1425031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49168.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1425031 is about 1193.7466230319. The cubic root of 1425031 is about 112.5316717412.

The spelling of 1425031 in words is "one million, four hundred twenty-five thousand, thirty-one".

Divisors: 1 29 49139 1425031