1051232531 has 2 divisors, whose sum is σ = 1051232532. Its totient is φ = 1051232530.

The previous prime is 1051232447. The next prime is 1051232561. The reversal of 1051232531 is 1352321501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051232531 - 2¹⁰ = 1051231507 is a prime.

It is a super-2 number, since 2×1051232531² = 2210179668465331922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051232497 and 1051232506.

It is not a weakly prime, because it can be changed into another prime (1051232561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525616265 + 525616266.

It is an arithmetic number, because the mean of its divisors is an integer number (525616266).

Almost surely, 2^1051232531 is an apocalyptic number.

1051232531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051232531 is an equidigital number, since it uses as much as digits as its factorization.

1051232531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1051232531 is about 32422.7162804106. The cubic root of 1051232531 is about 1016.7938965500.

The spelling of 1051232531 in words is "one billion, fifty-one million, two hundred thirty-two thousand, five hundred thirty-one".