1262533425 has 24 divisors (see below), whose sum is σ = 2143809216. Its totient is φ = 655151040.

The previous prime is 1262533421. The next prime is 1262533427. The reversal of 1262533425 is 5243352621.

It is a happy number.

It is not a de Polignac number, because 1262533425 - 2² = 1262533421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1262533421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224709 + ... + 230258.

It is an arithmetic number, because the mean of its divisors is an integer number (89325384).

Almost surely, 2^1262533425 is an apocalyptic number.

1262533425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1262533425 is a deficient number, since it is larger than the sum of its proper divisors (881275791).

1262533425 is a wasteful number, since it uses less digits than its factorization.

1262533425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455017 (or 455012 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 1262533425 is about 35532.1463607252. The cubic root of 1262533425 is about 1080.8057045037.

The spelling of 1262533425 in words is "one billion, two hundred sixty-two million, five hundred thirty-three thousand, four hundred twenty-five".