1354499857 has 2 divisors, whose sum is σ = 1354499858. Its totient is φ = 1354499856.

The previous prime is 1354499851. The next prime is 1354499863. The reversal of 1354499857 is 7589944531.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1354499851) and next prime (1354499863).

It can be written as a sum of positive squares in only one way, i.e., 1315948176 + 38551681 = 36276^2 + 6209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354499857 is a prime.

It is a super-2 number, since 2×1354499857² = 3669339725226040898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1354499798 and 1354499807.

It is not a weakly prime, because it can be changed into another prime (1354499851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677249928 + 677249929.

It is an arithmetic number, because the mean of its divisors is an integer number (677249929).

Almost surely, 2^1354499857 is an apocalyptic number.

It is an amenable number.

1354499857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354499857 is an equidigital number, since it uses as much as digits as its factorization.

1354499857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 55.

The square root of 1354499857 is about 36803.5304964075. The cubic root of 1354499857 is about 1106.4360592198.

The spelling of 1354499857 in words is "one billion, three hundred fifty-four million, four hundred ninety-nine thousand, eight hundred fifty-seven".