1497145241 has 4 divisors (see below), whose sum is σ = 1500718800. Its totient is φ = 1493571684.

The previous prime is 1497145229. The next prime is 1497145297. The reversal of 1497145241 is 1425417941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1425417941 = 107 ⋅13321663.

It is a cyclic number.

It is not a de Polignac number, because 1497145241 - 2¹⁸ = 1496883097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1497145195 and 1497145204.

It is not an unprimeable number, because it can be changed into a prime (1497145211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786151 + ... + 1786988.

It is an arithmetic number, because the mean of its divisors is an integer number (375179700).

Almost surely, 2^1497145241 is an apocalyptic number.

It is an amenable number.

1497145241 is a deficient number, since it is larger than the sum of its proper divisors (3573559).

1497145241 is an equidigital number, since it uses as much as digits as its factorization.

1497145241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573558.

The product of its digits is 40320, while the sum is 38.

The square root of 1497145241 is about 38692.9611299006. The cubic root of 1497145241 is about 1143.9875850875.

The spelling of 1497145241 in words is "one billion, four hundred ninety-seven million, one hundred forty-five thousand, two hundred forty-one".