Search a number
-
+
5897318431 is a prime number
BaseRepresentation
bin1010111111000000…
…11111000000011111
3120012222211211001011
411133200133000133
544034203142211
62413104000051
7266066244124
oct53740370037
916188754034
105897318431
112556978694
121187000027
1372ca26844
143dd32074b
15247b03921
hex15f81f01f

5897318431 has 2 divisors, whose sum is σ = 5897318432. Its totient is φ = 5897318430.

The previous prime is 5897318351. The next prime is 5897318447. The reversal of 5897318431 is 1348137985.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5897318431 - 221 = 5895221279 is a prime.

It is a super-2 number, since 2×58973184312 = 69556729353224603522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5897358431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2948659215 + 2948659216.

It is an arithmetic number, because the mean of its divisors is an integer number (2948659216).

Almost surely, 25897318431 is an apocalyptic number.

5897318431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5897318431 is an equidigital number, since it uses as much as digits as its factorization.

5897318431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 5897318431 is about 76793.9999674454. Note that the first 4 decimals coincide. The cubic root of 5897318431 is about 1806.6950701127.

The spelling of 5897318431 in words is "five billion, eight hundred ninety-seven million, three hundred eighteen thousand, four hundred thirty-one".