1025450243 has 2 divisors, whose sum is σ = 1025450244. Its totient is φ = 1025450242.

The previous prime is 1025450213. The next prime is 1025450269. The reversal of 1025450243 is 3420545201.

It is a happy number.

It is an a-pointer prime, because the next prime (1025450269) can be obtained adding 1025450243 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (3420545201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025450243 - 2²⁶ = 958341379 is a prime.

It is a super-3 number, since 3×1025450243³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1025450203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512725121 + 512725122.

It is an arithmetic number, because the mean of its divisors is an integer number (512725122).

Almost surely, 2^1025450243 is an apocalyptic number.

1025450243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025450243 is an equidigital number, since it uses as much as digits as its factorization.

1025450243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1025450243 is about 32022.6520294619. The cubic root of 1025450243 is about 1008.4124466275.

Adding to 1025450243 its reverse (3420545201), we get a palindrome (4445995444).

The spelling of 1025450243 in words is "one billion, twenty-five million, four hundred fifty thousand, two hundred forty-three".