225373397 has 2 divisors, whose sum is σ = 225373398. Its totient is φ = 225373396.

The previous prime is 225373361. The next prime is 225373427. The reversal of 225373397 is 793373522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225030001 + 343396 = 15001^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 225373397 - 2¹⁰ = 225372373 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 (225378397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112686698 + 112686699.

It is an arithmetic number, because the mean of its divisors is an integer number (112686699).

Almost surely, 2^225373397 is an apocalyptic number.

It is an amenable number.

225373397 is a deficient number, since it is larger than the sum of its proper divisors (1).

225373397 is an equidigital number, since it uses as much as digits as its factorization.

225373397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 41.

The square root of 225373397 is about 15012.4414070464. The cubic root of 225373397 is about 608.5564693085.

The spelling of 225373397 in words is "two hundred twenty-five million, three hundred seventy-three thousand, three hundred ninety-seven".