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5436721 is a prime number
BaseRepresentation
bin10100101111010100110001
3101020012210001
4110233110301
52342433341
6312310001
764132333
oct24572461
911205701
105436721
113083764
1219a2301
1311847c4
14a17453
15725d31
hex52f531

5436721 has 2 divisors, whose sum is σ = 5436722. Its totient is φ = 5436720.

The previous prime is 5436709. The next prime is 5436731. The reversal of 5436721 is 1276345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4562496 + 874225 = 2136^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436721 - 219 = 4912433 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5436721.

It is not a weakly prime, because it can be changed into another prime (5436731) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718360 + 2718361.

It is an arithmetic number, because the mean of its divisors is an integer number (2718361).

Almost surely, 25436721 is an apocalyptic number.

It is an amenable number.

5436721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436721 is an equidigital number, since it uses as much as digits as its factorization.

5436721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 5436721 is about 2331.6777221563. The cubic root of 5436721 is about 175.8378434987.

The spelling of 5436721 in words is "five million, four hundred thirty-six thousand, seven hundred twenty-one".