1003542397 has 16 divisors (see below), whose sum is σ = 1179960768. Its totient is φ = 841438080.

The previous prime is 1003542383. The next prime is 1003542409. The reversal of 1003542397 is 7932453001.

It is a cyclic number.

It is not a de Polignac number, because 1003542397 - 2¹⁵ = 1003509629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003542307) 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, 244353 + ... + 248425.

It is an arithmetic number, because the mean of its divisors is an integer number (73747548).

Almost surely, 2^1003542397 is an apocalyptic number.

It is an amenable number.

1003542397 is a deficient number, since it is larger than the sum of its proper divisors (176418371).

1003542397 is a wasteful number, since it uses less digits than its factorization.

1003542397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1003542397 is about 31678.7373012246. The cubic root of 1003542397 is about 1001.1794074512.

Adding to 1003542397 its reverse (7932453001), we get a palindrome (8935995398).

The spelling of 1003542397 in words is "one billion, three million, five hundred forty-two thousand, three hundred ninety-seven".