1552263513 has 4 divisors (see below), whose sum is σ = 2069684688. Its totient is φ = 1034842340.

The previous prime is 1552263499. The next prime is 1552263547. The reversal of 1552263513 is 3153622551.

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: 3153622551 = 3 ⋅1051207517.

It is a cyclic number.

It is not a de Polignac number, because 1552263513 - 2¹⁴ = 1552247129 is a prime.

It is a super-2 number, since 2×1552263513² = 4819044027582202338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1552263113) 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, 258710583 + ... + 258710588.

It is an arithmetic number, because the mean of its divisors is an integer number (517421172).

Almost surely, 2^1552263513 is an apocalyptic number.

It is an amenable number.

1552263513 is a deficient number, since it is larger than the sum of its proper divisors (517421175).

1552263513 is an equidigital number, since it uses as much as digits as its factorization.

1552263513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517421174.

The product of its digits is 27000, while the sum is 33.

The square root of 1552263513 is about 39398.7755266582. The cubic root of 1552263513 is about 1157.8575976078.

The spelling of 1552263513 in words is "one billion, five hundred fifty-two million, two hundred sixty-three thousand, five hundred thirteen".