1457751541 has 2 divisors, whose sum is σ = 1457751542. Its totient is φ = 1457751540.

The previous prime is 1457751539. The next prime is 1457751563. The reversal of 1457751541 is 1451577541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846228100 + 611523441 = 29090^2 + 24729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457751541 - 2¹ = 1457751539 is a prime.

It is a super-3 number, since 3×1457751541³ (a number of 28 digits) contains 333 as substring.

Together with 1457751539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1457751494 and 1457751503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457751521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728875770 + 728875771.

It is an arithmetic number, because the mean of its divisors is an integer number (728875771).

Almost surely, 2^1457751541 is an apocalyptic number.

It is an amenable number.

1457751541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457751541 is an equidigital number, since it uses as much as digits as its factorization.

1457751541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98000, while the sum is 40.

The square root of 1457751541 is about 38180.5125816823. The cubic root of 1457751541 is about 1133.8645299861.

It can be divided in two parts, 14577 and 51541, that multiplied together give a palindrome (751313157).

The spelling of 1457751541 in words is "one billion, four hundred fifty-seven million, seven hundred fifty-one thousand, five hundred forty-one".