1071622525 has 12 divisors (see below), whose sum is σ = 1347529824. Its totient is φ = 845222000.

The previous prime is 1071622511. The next prime is 1071622543. The reversal of 1071622525 is 5252261701.

It is not a de Polignac number, because 1071622525 - 2⁷ = 1071622397 is a prime.

It is a super-2 number, since 2×1071622525² = 2296749672174751250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300091 + ... + 303640.

It is an arithmetic number, because the mean of its divisors is an integer number (112294152).

Almost surely, 2^1071622525 is an apocalyptic number.

It is an amenable number.

1071622525 is a deficient number, since it is larger than the sum of its proper divisors (275907299).

1071622525 is an equidigital number, since it uses as much as digits as its factorization.

1071622525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603812 (or 603807 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1071622525 is about 32735.6460910733. The cubic root of 1071622525 is about 1023.3258492617.

The spelling of 1071622525 in words is "one billion, seventy-one million, six hundred twenty-two thousand, five hundred twenty-five".