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52257451 is a prime number
BaseRepresentation
bin1100011101011…
…0001010101011
310122022221202011
43013112022223
5101334214301
65104020351
71203116041
oct307261253
9118287664
1052257451
1127552884
12156016b7
13aa98a8c
146d24391
1548c3a51
hex31d62ab

52257451 has 2 divisors, whose sum is σ = 52257452. Its totient is φ = 52257450.

The previous prime is 52257437. The next prime is 52257479. The reversal of 52257451 is 15475225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52257451 - 27 = 52257323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52257251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128725 + 26128726.

It is an arithmetic number, because the mean of its divisors is an integer number (26128726).

Almost surely, 252257451 is an apocalyptic number.

52257451 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257451 is an equidigital number, since it uses as much as digits as its factorization.

52257451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14000, while the sum is 31.

The square root of 52257451 is about 7228.9315254746. The cubic root of 52257451 is about 373.8660882551.

The spelling of 52257451 in words is "fifty-two million, two hundred fifty-seven thousand, four hundred fifty-one".