1552913 has 2 divisors, whose sum is σ = 1552914. Its totient is φ = 1552912.

The previous prime is 1552909. The next prime is 1552919. The reversal of 1552913 is 3192551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 71824 = 1217^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552913 - 2² = 1552909 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776456 + 776457.

It is an arithmetic number, because the mean of its divisors is an integer number (776457).

2^1552913 is an apocalyptic number.

It is an amenable number.

1552913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552913 is an equidigital number, since it uses as much as digits as its factorization.

1552913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 1552913 is about 1246.1592996082. The cubic root of 1552913 is about 115.8019062589.

The spelling of 1552913 in words is "one million, five hundred fifty-two thousand, nine hundred thirteen".