3525425251566 has 32 divisors (see below), whose sum is σ = 7109675099520. Its totient is φ = 1165356935136.

The previous prime is 3525425251561. The next prime is 3525425251567. The reversal of 3525425251566 is 6651525245253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525425251561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678576 + ... + 3141411.

It is an arithmetic number, because the mean of its divisors is an integer number (222177346860).

Almost surely, 2^{3525425251566} is an apocalyptic number.

3525425251566 is an abundant number, since it is smaller than the sum of its proper divisors (3584249847954).

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

3525425251566 is a wasteful number, since it uses less digits than its factorization.

3525425251566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821008.

The product of its digits is 10800000, while the sum is 51.

The spelling of 3525425251566 in words is "three trillion, five hundred twenty-five billion, four hundred twenty-five million, two hundred fifty-one thousand, five hundred sixty-six".