1056052997 has 4 divisors (see below), whose sum is σ = 1057759680. Its totient is φ = 1054346316.

The previous prime is 1056052993. The next prime is 1056053017. The reversal of 1056052997 is 7992506501.

It is a happy number.

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: 7992506501 = 7 ⋅1141786643.

It is a cyclic number.

It is not a de Polignac number, because 1056052997 - 2² = 1056052993 is a prime.

It is a super-2 number, since 2×1056052997² = 2230495864945364018, 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 (1056052993) 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, 852413 + ... + 853650.

It is an arithmetic number, because the mean of its divisors is an integer number (264439920).

Almost surely, 2^1056052997 is an apocalyptic number.

It is an amenable number.

1056052997 is a deficient number, since it is larger than the sum of its proper divisors (1706683).

1056052997 is an equidigital number, since it uses as much as digits as its factorization.

1056052997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706682.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 1056052997 is about 32496.9690432816. The cubic root of 1056052997 is about 1018.3457091156.

The spelling of 1056052997 in words is "one billion, fifty-six million, fifty-two thousand, nine hundred ninety-seven".