1457522257523 has 2 divisors, whose sum is σ = 1457522257524. Its totient is φ = 1457522257522.

The previous prime is 1457522257489. The next prime is 1457522257559. The reversal of 1457522257523 is 3257522257541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1457522257523 - 2¹² = 1457522253427 is a prime.

It is a super-2 number, since 2×1457522257523² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1457522257223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728761128761 + 728761128762.

It is an arithmetic number, because the mean of its divisors is an integer number (728761128762).

Almost surely, 2^{1457522257523} is an apocalyptic number.

1457522257523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457522257523 is an equidigital number, since it uses as much as digits as its factorization.

1457522257523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880000, while the sum is 50.

The spelling of 1457522257523 in words is "one trillion, four hundred fifty-seven billion, five hundred twenty-two million, two hundred fifty-seven thousand, five hundred twenty-three".