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1225060451 is a prime number
BaseRepresentation
bin100100100000100…
…1111000001100011
310011101011112000022
41021001033001203
510002103413301
6321321144055
742233561546
oct11101170143
93141145008
101225060451
1157957305a
122a232b02b
13166a5a054
14b89b485d
157283ad1b
hex4904f063

1225060451 has 2 divisors, whose sum is σ = 1225060452. Its totient is φ = 1225060450.

The previous prime is 1225060429. The next prime is 1225060453. The reversal of 1225060451 is 1540605221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225060451 - 230 = 151318627 is a prime.

Together with 1225060453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1225060451.

It is not a weakly prime, because it can be changed into another prime (1225060453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612530225 + 612530226.

It is an arithmetic number, because the mean of its divisors is an integer number (612530226).

Almost surely, 21225060451 is an apocalyptic number.

1225060451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225060451 is an equidigital number, since it uses as much as digits as its factorization.

1225060451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1225060451 is about 35000.8635750605. The cubic root of 1225060451 is about 1070.0050807690.

Adding to 1225060451 its reverse (1540605221), we get a palindrome (2765665672).

The spelling of 1225060451 in words is "one billion, two hundred twenty-five million, sixty thousand, four hundred fifty-one".