10557397 has 4 divisors (see below), whose sum is σ = 10660000. Its totient is φ = 10454796.

The previous prime is 10557373. The next prime is 10557409. The reversal of 10557397 is 79375501.

It is a happy number.

10557397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79375501 = 4549 ⋅17449.

It is a cyclic number.

It is not a de Polignac number, because 10557397 - 2¹⁹ = 10033109 is a prime.

It is a super-2 number, since 2×10557397² = 222917262831218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51147 + ... + 51352.

It is an arithmetic number, because the mean of its divisors is an integer number (2665000).

Almost surely, 2^10557397 is an apocalyptic number.

It is an amenable number.

10557397 is a deficient number, since it is larger than the sum of its proper divisors (102603).

10557397 is a wasteful number, since it uses less digits than its factorization.

10557397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102602.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 10557397 is about 3249.2148282316. The cubic root of 10557397 is about 219.3742341621.

The spelling of 10557397 in words is "ten million, five hundred fifty-seven thousand, three hundred ninety-seven".