1373000531 has 8 divisors (see below), whose sum is σ = 1601167200. Its totient is φ = 1176857304.

The previous prime is 1373000527. The next prime is 1373000533. The reversal of 1373000531 is 1350003731.

It is a happy number.

It is not a de Polignac number, because 1373000531 - 2² = 1373000527 is a prime.

It is a super-2 number, since 2×1373000531² = 3770260916252563922, 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 = 1373000497 and 1373000506.

It is not an unprimeable number, because it can be changed into a prime (1373000533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001116 + ... + 2001801.

It is an arithmetic number, because the mean of its divisors is an integer number (200145900).

Almost surely, 2^1373000531 is an apocalyptic number.

1373000531 is a deficient number, since it is larger than the sum of its proper divisors (228166669).

1373000531 is an frugal number, since it uses more digits than its factorization.

1373000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002938 (or 4002924 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 1373000531 is about 37054.0217925126. The cubic root of 1373000531 is about 1111.4507802625.

The spelling of 1373000531 in words is "one billion, three hundred seventy-three million, five hundred thirty-one", and thus it is an aban number.