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725712141461 is a prime number
BaseRepresentation
bin10101000111101111101…
…00000111110010010101
32120101012010102111222112
422203313310013302111
543342224302011321
61313215413440405
7103300552265036
oct12436764076225
92511163374875
10725712141461
1125a85564808a
12b8793640105
13535853a4028
14271a60a6a8d
1513d26549a5b
hexa8f7d07c95

725712141461 has 2 divisors, whose sum is σ = 725712141462. Its totient is φ = 725712141460.

The previous prime is 725712141439. The next prime is 725712141499. The reversal of 725712141461 is 164141217527.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 689979422500 + 35732718961 = 830650^2 + 189031^2 .

It is a cyclic number.

It is not a de Polignac number, because 725712141461 - 210 = 725712140437 is a prime.

It is a super-2 number, since 2×7257121414612 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725712141421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362856070730 + 362856070731.

It is an arithmetic number, because the mean of its divisors is an integer number (362856070731).

Almost surely, 2725712141461 is an apocalyptic number.

It is an amenable number.

725712141461 is a deficient number, since it is larger than the sum of its proper divisors (1).

725712141461 is an equidigital number, since it uses as much as digits as its factorization.

725712141461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 41.

Adding to 725712141461 its reverse (164141217527), we get a palindrome (889853358988).

The spelling of 725712141461 in words is "seven hundred twenty-five billion, seven hundred twelve million, one hundred forty-one thousand, four hundred sixty-one".