401513012 has 6 divisors (see below), whose sum is σ = 702647778. Its totient is φ = 200756504.

The previous prime is 401513003. The next prime is 401513017. The reversal of 401513012 is 210315104.

It can be written as a sum of positive squares in only one way, i.e., 399760036 + 1752976 = 19994^2 + 1324^2 .

It is a super-2 number, since 2×401513012² = 322425397610624288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401513017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50189123 + ... + 50189130.

It is an arithmetic number, because the mean of its divisors is an integer number (117107963).

Almost surely, 2^401513012 is an apocalyptic number.

It is an amenable number.

401513012 is a deficient number, since it is larger than the sum of its proper divisors (301134766).

401513012 is a wasteful number, since it uses less digits than its factorization.

401513012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100378257 (or 100378255 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 401513012 is about 20037.7895986558. The cubic root of 401513012 is about 737.7341281742.

Adding to 401513012 its reverse (210315104), we get a palindrome (611828116).

The spelling of 401513012 in words is "four hundred one million, five hundred thirteen thousand, twelve".