246973421 has 2 divisors, whose sum is σ = 246973422. Its totient is φ = 246973420.

The previous prime is 246973387. The next prime is 246973427. The reversal of 246973421 is 124379642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146071396 + 100902025 = 12086^2 + 10045^2 .

It is a cyclic number.

It is not a de Polignac number, because 246973421 - 2⁶ = 246973357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246973427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123486710 + 123486711.

It is an arithmetic number, because the mean of its divisors is an integer number (123486711).

Almost surely, 2^246973421 is an apocalyptic number.

It is an amenable number.

246973421 is a deficient number, since it is larger than the sum of its proper divisors (1).

246973421 is an equidigital number, since it uses as much as digits as its factorization.

246973421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 246973421 is about 15715.3880321168. The cubic root of 246973421 is about 627.4080295678.

The spelling of 246973421 in words is "two hundred forty-six million, nine hundred seventy-three thousand, four hundred twenty-one".