1062640551 has 8 divisors (see below), whose sum is σ = 1619261824. Its totient is φ = 607223160.

The previous prime is 1062640517. The next prime is 1062640567. The reversal of 1062640551 is 1550462601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1062640551 - 2¹⁰ = 1062639527 is a prime.

It is a super-2 number, since 2×1062640551² = 2258409881259167202, 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 (1062640571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25300945 + ... + 25300986.

It is an arithmetic number, because the mean of its divisors is an integer number (202407728).

Almost surely, 2^1062640551 is an apocalyptic number.

1062640551 is a deficient number, since it is larger than the sum of its proper divisors (556621273).

1062640551 is an equidigital number, since it uses as much as digits as its factorization.

1062640551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601941.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1062640551 is about 32598.1679086417. The cubic root of 1062640551 is about 1020.4587680607.

The spelling of 1062640551 in words is "one billion, sixty-two million, six hundred forty thousand, five hundred fifty-one".