513021141 has 32 divisors (see below), whose sum is σ = 798474240. Its totient is φ = 324918000.

The previous prime is 513021137. The next prime is 513021191. The reversal of 513021141 is 141120315.

It is not a de Polignac number, because 513021141 - 2² = 513021137 is a prime.

It is a super-2 number, since 2×513021141² = 526381382225883762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513021101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91036 + ... + 96506.

It is an arithmetic number, because the mean of its divisors is an integer number (24952320).

Almost surely, 2^513021141 is an apocalyptic number.

It is an amenable number.

513021141 is a deficient number, since it is larger than the sum of its proper divisors (285453099).

513021141 is a wasteful number, since it uses less digits than its factorization.

513021141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654 (or 5648 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 513021141 is about 22649.9699999801. The cubic root of 513021141 is about 800.5314910892.

Adding to 513021141 its reverse (141120315), we get a palindrome (654141456).

The spelling of 513021141 in words is "five hundred thirteen million, twenty-one thousand, one hundred forty-one".