10072531 has 4 divisors (see below), whose sum is σ = 11511472. Its totient is φ = 8633592.

The previous prime is 10072519. The next prime is 10072537. The reversal of 10072531 is 13527001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13527001 = 971 ⋅13931.

It is a cyclic number.

It is not a de Polignac number, because 10072531 - 2¹³ = 10064339 is a prime.

It is a super-2 number, since 2×10072531² = 202911761491922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10072499 and 10072508.

It is not an unprimeable number, because it can be changed into a prime (10072537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719460 + ... + 719473.

It is an arithmetic number, because the mean of its divisors is an integer number (2877868).

Almost surely, 2^10072531 is an apocalyptic number.

10072531 is a deficient number, since it is larger than the sum of its proper divisors (1438941).

10072531 is an equidigital number, since it uses as much as digits as its factorization.

10072531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438940.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 10072531 is about 3173.7250983663. The cubic root of 10072531 is about 215.9630924023.

Adding to 10072531 its reverse (13527001), we get a palindrome (23599532).

The spelling of 10072531 in words is "ten million, seventy-two thousand, five hundred thirty-one".