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542157601 is a prime number
BaseRepresentation
bin100000010100001…
…010101100100001
31101210011110102011
4200110022230201
52102243020401
6125444152521
716302156256
oct4024125441
91353143364
10542157601
11259041037
12131698741
1388425a1b
145200b42d
15328e4451
hex2050ab21

542157601 has 2 divisors, whose sum is σ = 542157602. Its totient is φ = 542157600.

The previous prime is 542157547. The next prime is 542157613. The reversal of 542157601 is 106751245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482944576 + 59213025 = 21976^2 + 7695^2 .

It is a cyclic number.

It is not a de Polignac number, because 542157601 - 213 = 542149409 is a prime.

It is not a weakly prime, because it can be changed into another prime (542157661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271078800 + 271078801.

It is an arithmetic number, because the mean of its divisors is an integer number (271078801).

Almost surely, 2542157601 is an apocalyptic number.

It is an amenable number.

542157601 is a deficient number, since it is larger than the sum of its proper divisors (1).

542157601 is an equidigital number, since it uses as much as digits as its factorization.

542157601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 542157601 is about 23284.2779789282. The cubic root of 542157601 is about 815.4084048424.

It can be divided in two parts, 54215 and 7601, that added together give a palindrome (61816).

The spelling of 542157601 in words is "five hundred forty-two million, one hundred fifty-seven thousand, six hundred one".