513401543254 has 8 divisors (see below), whose sum is σ = 770116928328. Its totient is φ = 256695900480.

The previous prime is 513401543251. The next prime is 513401543261. The reversal of 513401543254 is 452345104315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×513401543254² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513401543251) 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, 2302372 + ... + 2515495.

It is an arithmetic number, because the mean of its divisors is an integer number (96264616041).

Almost surely, 2^513401543254 is an apocalyptic number.

513401543254 is a deficient number, since it is larger than the sum of its proper divisors (256715385074).

513401543254 is a wasteful number, since it uses less digits than its factorization.

513401543254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871150.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 513401543254 its reverse (452345104315), we get a palindrome (965746647569).

The spelling of 513401543254 in words is "five hundred thirteen billion, four hundred one million, five hundred forty-three thousand, two hundred fifty-four".