513072425454 has 32 divisors (see below), whose sum is σ = 1080225530880. Its totient is φ = 162011912832.

The previous prime is 513072425449. The next prime is 513072425471. The reversal of 513072425454 is 454524270315.

It is a happy number.

It is a super-2 number, since 2×513072425454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632054 + ... + 1920870.

It is an arithmetic number, because the mean of its divisors is an integer number (33757047840).

Almost surely, 2^513072425454 is an apocalyptic number.

513072425454 is an abundant number, since it is smaller than the sum of its proper divisors (567153105426).

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

513072425454 is a wasteful number, since it uses less digits than its factorization.

513072425454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304424.

The product of its (nonzero) digits is 672000, while the sum is 42.

Adding to 513072425454 its reverse (454524270315), we get a palindrome (967596695769).

The spelling of 513072425454 in words is "five hundred thirteen billion, seventy-two million, four hundred twenty-five thousand, four hundred fifty-four".