1001349525 has 24 divisors (see below), whose sum is σ = 1806071904. Its totient is φ = 485502400.

The previous prime is 1001349509. The next prime is 1001349553. The reversal of 1001349525 is 5259431001.

It is not a de Polignac number, because 1001349525 - 2⁴ = 1001349509 is a prime.

It is a super-3 number, since 3×1001349525³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001349492 and 1001349501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606054 + ... + 607703.

It is an arithmetic number, because the mean of its divisors is an integer number (75252996).

Almost surely, 2^1001349525 is an apocalyptic number.

1001349525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001349525 is a deficient number, since it is larger than the sum of its proper divisors (804722379).

1001349525 is a wasteful number, since it uses less digits than its factorization.

1001349525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213781 (or 1213776 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1001349525 is about 31644.1072713388. The cubic root of 1001349525 is about 1000.4496394607.

The spelling of 1001349525 in words is "one billion, one million, three hundred forty-nine thousand, five hundred twenty-five".