1051545630 has 16 divisors (see below), whose sum is σ = 2523709584. Its totient is φ = 280412160.

The previous prime is 1051545629. The next prime is 1051545631. The reversal of 1051545630 is 365451501.

It is an interprime number because it is at equal distance from previous prime (1051545629) and next prime (1051545631).

It is a super-2 number, since 2×1051545630² = 2211496423944193800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 35051521 = 1051545630 / (1 + 0 + 5 + 1 + 5 + 4 + 5 + 6 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051545631) 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, 17525731 + ... + 17525790.

It is an arithmetic number, because the mean of its divisors is an integer number (157731849).

Almost surely, 2^1051545630 is an apocalyptic number.

1051545630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051545630 is an abundant number, since it is smaller than the sum of its proper divisors (1472163954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051545630 is a wasteful number, since it uses less digits than its factorization.

1051545630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35051531.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1051545630 is about 32427.5443103544. The cubic root of 1051545630 is about 1016.8948337964.

The spelling of 1051545630 in words is "one billion, fifty-one million, five hundred forty-five thousand, six hundred thirty".