1051502025 has 72 divisors (see below), whose sum is σ = 2030495040. Its totient is φ = 478746240.

The previous prime is 1051501999. The next prime is 1051502077. The reversal of 1051502025 is 5202051501.

It is not a de Polignac number, because 1051502025 - 2⁵ = 1051501993 is a prime.

It is a super-2 number, since 2×1051502025² = 2211313017158201250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1051501992 and 1051502010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1318927 + ... + 1319723.

It is an arithmetic number, because the mean of its divisors is an integer number (28201320).

Almost surely, 2^1051502025 is an apocalyptic number.

1051502025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051502025 is a deficient number, since it is larger than the sum of its proper divisors (978993015).

1051502025 is a wasteful number, since it uses less digits than its factorization.

1051502025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1051502025 is about 32426.8719583003. The cubic root of 1051502025 is about 1016.8807775631.

Adding to 1051502025 its reverse (5202051501), we get a palindrome (6253553526).

The spelling of 1051502025 in words is "one billion, fifty-one million, five hundred two thousand, twenty-five".