1101625897 has 2 divisors, whose sum is σ = 1101625898. Its totient is φ = 1101625896.

The previous prime is 1101625873. The next prime is 1101625907. The reversal of 1101625897 is 7985261011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028420761 + 73205136 = 32069^2 + 8556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101625897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101625397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550812948 + 550812949.

It is an arithmetic number, because the mean of its divisors is an integer number (550812949).

Almost surely, 2^1101625897 is an apocalyptic number.

It is an amenable number.

1101625897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101625897 is an equidigital number, since it uses as much as digits as its factorization.

1101625897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 1101625897 is about 33190.7501722995. The cubic root of 1101625897 is about 1032.7884654229.

The spelling of 1101625897 in words is "one billion, one hundred one million, six hundred twenty-five thousand, eight hundred ninety-seven".