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2429257 is a prime number
BaseRepresentation
bin1001010001000101001001
311120102022111
421101011021
51110214012
6124022321
726435245
oct11210511
94512274
102429257
11140a156
129919a1
1367093c
14473425
1532eba7
hex251149

2429257 has 2 divisors, whose sum is σ = 2429258. Its totient is φ = 2429256.

The previous prime is 2429239. The next prime is 2429267. The reversal of 2429257 is 7529242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1547536 + 881721 = 1244^2 + 939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2429257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2429267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214628 + 1214629.

It is an arithmetic number, because the mean of its divisors is an integer number (1214629).

22429257 is an apocalyptic number.

It is an amenable number.

2429257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2429257 is an equidigital number, since it uses as much as digits as its factorization.

2429257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 2429257 is about 1558.6073912310. The cubic root of 2429257 is about 134.4284385978.

The spelling of 2429257 in words is "two million, four hundred twenty-nine thousand, two hundred fifty-seven".