82403497 has 16 divisors (see below), whose sum is σ = 91940544. Its totient is φ = 73224000.

The previous prime is 82403483. The next prime is 82403521. The reversal of 82403497 is 79430428.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82403497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82403417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152047 + ... + 152587.

It is an arithmetic number, because the mean of its divisors is an integer number (5746284).

Almost surely, 2^82403497 is an apocalyptic number.

It is an amenable number.

82403497 is a deficient number, since it is larger than the sum of its proper divisors (9537047).

82403497 is a wasteful number, since it uses less digits than its factorization.

82403497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 82403497 is about 9077.6371925738. The cubic root of 82403497 is about 435.1595785682.

The spelling of 82403497 in words is "eighty-two million, four hundred three thousand, four hundred ninety-seven".