3455021531 has 4 divisors (see below), whose sum is σ = 3720792432. Its totient is φ = 3189250632.

The previous prime is 3455021501. The next prime is 3455021551. The reversal of 3455021531 is 1351205543.

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 3455021531 - 2⁶ = 3455021467 is a prime.

It is a super-2 number, since 2×3455021531² = 23874347559347167922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3455021494 and 3455021503.

It is not an unprimeable number, because it can be changed into a prime (3455021501) 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, 132885431 + ... + 132885456.

It is an arithmetic number, because the mean of its divisors is an integer number (930198108).

Almost surely, 2^3455021531 is an apocalyptic number.

3455021531 is a deficient number, since it is larger than the sum of its proper divisors (265770901).

3455021531 is a wasteful number, since it uses less digits than its factorization.

3455021531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265770900.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 3455021531 is about 58779.4311898303. The cubic root of 3455021531 is about 1511.7625619512.

The spelling of 3455021531 in words is "three billion, four hundred fifty-five million, twenty-one thousand, five hundred thirty-one".