1010513551 has 4 divisors (see below), whose sum is σ = 1011210472. Its totient is φ = 1009816632.

The previous prime is 1010513531. The next prime is 1010513561. The reversal of 1010513551 is 1553150101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010513551 - 2¹³ = 1010505359 is a prime.

It is a super-2 number, since 2×1010513551² = 2042275273509259202, 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 (1010513501) 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, 346281 + ... + 349186.

It is an arithmetic number, because the mean of its divisors is an integer number (252802618).

Almost surely, 2^1010513551 is an apocalyptic number.

1010513551 is a deficient number, since it is larger than the sum of its proper divisors (696921).

1010513551 is an equidigital number, since it uses as much as digits as its factorization.

1010513551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696920.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1010513551 is about 31788.5757938288. The cubic root of 1010513551 is about 1003.4923065970.

Adding to 1010513551 its reverse (1553150101), we get a palindrome (2563663652).

The spelling of 1010513551 in words is "one billion, ten million, five hundred thirteen thousand, five hundred fifty-one".