3145553 has 2 divisors, whose sum is σ = 3145554. Its totient is φ = 3145552.

The previous prime is 3145547. The next prime is 3145559. The reversal of 3145553 is 3555413.

It is a balanced prime because it is at equal distance from previous prime (3145547) and next prime (3145559).

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 478864 = 1633^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145553 - 2⁶ = 3145489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3145559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572776 + 1572777.

It is an arithmetic number, because the mean of its divisors is an integer number (1572777).

Almost surely, 2^3145553 is an apocalyptic number.

It is an amenable number.

3145553 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145553 is an equidigital number, since it uses as much as digits as its factorization.

3145553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 26.

The square root of 3145553 is about 1773.5706921349. The cubic root of 3145553 is about 146.5207059148.

The spelling of 3145553 in words is "three million, one hundred forty-five thousand, five hundred fifty-three".