45502531 has 2 divisors, whose sum is σ = 45502532. Its totient is φ = 45502530.

The previous prime is 45502519. The next prime is 45502543. The reversal of 45502531 is 13520554.

It is a balanced prime because it is at equal distance from previous prime (45502519) and next prime (45502543).

It is a cyclic number.

It is not a de Polignac number, because 45502531 - 2⁹ = 45502019 is a prime.

It is a super-2 number, since 2×45502531² = 4140960654811922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45502496 and 45502505.

It is not a weakly prime, because it can be changed into another prime (45502571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22751265 + 22751266.

It is an arithmetic number, because the mean of its divisors is an integer number (22751266).

Almost surely, 2^45502531 is an apocalyptic number.

45502531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45502531 is an equidigital number, since it uses as much as digits as its factorization.

45502531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45502531 is about 6745.5563892091. The cubic root of 45502531 is about 357.0084685461.

The spelling of 45502531 in words is "forty-five million, five hundred two thousand, five hundred thirty-one".