1295233421 has 2 divisors, whose sum is σ = 1295233422. Its totient is φ = 1295233420.

The previous prime is 1295233411. The next prime is 1295233427. The reversal of 1295233421 is 1243325921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081752100 + 213481321 = 32890^2 + 14611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1295233421 is a prime.

It is a super-2 number, since 2×1295233421² = 3355259229750726482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1295233427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647616710 + 647616711.

It is an arithmetic number, because the mean of its divisors is an integer number (647616711).

Almost surely, 2^1295233421 is an apocalyptic number.

It is an amenable number.

1295233421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295233421 is an equidigital number, since it uses as much as digits as its factorization.

1295233421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 1295233421 is about 35989.3514945741. The cubic root of 1295233421 is about 1090.0573493379.

The spelling of 1295233421 in words is "one billion, two hundred ninety-five million, two hundred thirty-three thousand, four hundred twenty-one".