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52405403 is a prime number
BaseRepresentation
bin1100011111101…
…0010010011011
310122121110200212
43013322102123
5101403433103
65111121335
71204303301
oct307722233
9118543625
1052405403
1127643a56
121567324b
13ab1b21b
146d62271
1549027d8
hex31fa49b

52405403 has 2 divisors, whose sum is σ = 52405404. Its totient is φ = 52405402.

The previous prime is 52405399. The next prime is 52405427. The reversal of 52405403 is 30450425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52405403 - 22 = 52405399 is a prime.

It is a Sophie Germain prime.

It is equal to p3136631 and since 52405403 and 3136631 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52402403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202701 + 26202702.

It is an arithmetic number, because the mean of its divisors is an integer number (26202702).

Almost surely, 252405403 is an apocalyptic number.

52405403 is a deficient number, since it is larger than the sum of its proper divisors (1).

52405403 is an equidigital number, since it uses as much as digits as its factorization.

52405403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52405403 is about 7239.1576167397. The cubic root of 52405403 is about 374.2185873676.

Adding to 52405403 its reverse (30450425), we get a palindrome (82855828).

The spelling of 52405403 in words is "fifty-two million, four hundred five thousand, four hundred three".