3521057023 has 4 divisors (see below), whose sum is σ = 3841153128. Its totient is φ = 3200960920.

The previous prime is 3521057003. The next prime is 3521057039. The reversal of 3521057023 is 3207501253.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3521057023 - 2²⁵ = 3487502591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3521056982 and 3521057000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521057003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160048036 + ... + 160048057.

It is an arithmetic number, because the mean of its divisors is an integer number (960288282).

Almost surely, 2^3521057023 is an apocalyptic number.

3521057023 is a deficient number, since it is larger than the sum of its proper divisors (320096105).

3521057023 is a wasteful number, since it uses less digits than its factorization.

3521057023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320096104.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 3521057023 is about 59338.4952876293. The cubic root of 3521057023 is about 1521.3332345286. Note that the first 3 decimals are identical.

Adding to 3521057023 its reverse (3207501253), we get a palindrome (6728558276).

It can be divided in two parts, 352105 and 7023, that added together give a triangular number (359128 = T₈₄₇).

The spelling of 3521057023 in words is "three billion, five hundred twenty-one million, fifty-seven thousand, twenty-three".