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1295450531 is a prime number
BaseRepresentation
bin100110100110111…
…0000000110100011
310100021121201001022
41031031300012203
510123113404111
6332314000055
744050101464
oct11515600643
93307551038
101295450531
11605280181
12301a1602b
1317850429b
14c4098d6b
1578ae22db
hex4d3701a3

1295450531 has 2 divisors, whose sum is σ = 1295450532. Its totient is φ = 1295450530.

The previous prime is 1295450501. The next prime is 1295450621. The reversal of 1295450531 is 1350545921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295450531 - 218 = 1295188387 is a prime.

It is a super-2 number, since 2×12954505312 = 3356384156536363922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1295450491 and 1295450500.

It is not a weakly prime, because it can be changed into another prime (1295450501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647725265 + 647725266.

It is an arithmetic number, because the mean of its divisors is an integer number (647725266).

Almost surely, 21295450531 is an apocalyptic number.

1295450531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295450531 is an equidigital number, since it uses as much as digits as its factorization.

1295450531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1295450531 is about 35992.3676770506. The cubic root of 1295450531 is about 1090.1182519070.

The spelling of 1295450531 in words is "one billion, two hundred ninety-five million, four hundred fifty thousand, five hundred thirty-one".