3512532540 has 48 divisors (see below), whose sum is σ = 10729192320. Its totient is φ = 851522880.

The previous prime is 3512532539. The next prime is 3512532559. The reversal of 3512532540 is 452352153.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3512532498 and 3512532507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2660350 + ... + 2661669.

It is an arithmetic number, because the mean of its divisors is an integer number (223524840).

Almost surely, 2^3512532540 is an apocalyptic number.

3512532540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3512532540 is an abundant number, since it is smaller than the sum of its proper divisors (7216659780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3512532540 is a wasteful number, since it uses less digits than its factorization.

3512532540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322042 (or 5322040 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3512532540 is about 59266.6224784237. The cubic root of 3512532540 is about 1520.1045259375.

Adding to 3512532540 its reverse (452352153), we get a palindrome (3964884693).

The spelling of 3512532540 in words is "three billion, five hundred twelve million, five hundred thirty-two thousand, five hundred forty".