42453017531 has 2 divisors, whose sum is σ = 42453017532. Its totient is φ = 42453017530.

The previous prime is 42453017483. The next prime is 42453017539. The reversal of 42453017531 is 13571035424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42453017531 - 2¹⁴ = 42453001147 is a prime.

It is a super-2 number, since 2×42453017531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42453017491 and 42453017500.

It is not a weakly prime, because it can be changed into another prime (42453017539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21226508765 + 21226508766.

It is an arithmetic number, because the mean of its divisors is an integer number (21226508766).

Almost surely, 2^42453017531 is an apocalyptic number.

42453017531 is a deficient number, since it is larger than the sum of its proper divisors (1).

42453017531 is an equidigital number, since it uses as much as digits as its factorization.

42453017531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 42453017531 in words is "forty-two billion, four hundred fifty-three million, seventeen thousand, five hundred thirty-one".