1457240341 has 2 divisors, whose sum is σ = 1457240342. Its totient is φ = 1457240340.

The previous prime is 1457240339. The next prime is 1457240363. The reversal of 1457240341 is 1430427541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077808900 + 379431441 = 32830^2 + 19479^2 .

It is an emirp because it is prime and its reverse (1430427541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1457240341 - 2¹ = 1457240339 is a prime.

It is a super-2 number, since 2×1457240341² = 4247098822875592562, which contains 22 as substring.

Together with 1457240339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457241341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728620170 + 728620171.

It is an arithmetic number, because the mean of its divisors is an integer number (728620171).

Almost surely, 2^1457240341 is an apocalyptic number.

It is an amenable number.

1457240341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457240341 is an equidigital number, since it uses as much as digits as its factorization.

1457240341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1457240341 is about 38173.8174800478. The cubic root of 1457240341 is about 1133.7319744033.

Adding to 1457240341 its reverse (1430427541), we get a palindrome (2887667882).

The spelling of 1457240341 in words is "one billion, four hundred fifty-seven million, two hundred forty thousand, three hundred forty-one".