3401557 has 2 divisors, whose sum is σ = 3401558. Its totient is φ = 3401556.

The previous prime is 3401549. The next prime is 3401561. The reversal of 3401557 is 7551043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2937796 + 463761 = 1714^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401557 - 2³ = 3401549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401597) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700778 + 1700779.

It is an arithmetic number, because the mean of its divisors is an integer number (1700779).

Almost surely, 2^3401557 is an apocalyptic number.

It is an amenable number.

3401557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401557 is an equidigital number, since it uses as much as digits as its factorization.

3401557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 3401557 is about 1844.3310440374. The cubic root of 3401557 is about 150.3924095734.

The spelling of 3401557 in words is "three million, four hundred one thousand, five hundred fifty-seven".