1258465225 has 18 divisors (see below), whose sum is σ = 1573384974. Its totient is φ = 998524800.

The previous prime is 1258465211. The next prime is 1258465249. The reversal of 1258465225 is 5225648521.

It can be written as a sum of positive squares in 3 ways, for example, as 20903184 + 1237562041 = 4572^2 + 35179^2 .

It is not a de Polignac number, because 1258465225 - 2¹¹ = 1258463177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 401665 + ... + 404785.

Almost surely, 2^1258465225 is an apocalyptic number.

It is an amenable number.

1258465225 is a deficient number, since it is larger than the sum of its proper divisors (314919749).

1258465225 is an equidigital number, since it uses as much as digits as its factorization.

1258465225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3253 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 1258465225 is about 35474.8534175971. The cubic root of 1258465225 is about 1079.6435795182.

The spelling of 1258465225 in words is "one billion, two hundred fifty-eight million, four hundred sixty-five thousand, two hundred twenty-five".